Hawaii Most Beautiful Bay Volcanic Origin in the World Hanauma Crater to Bay - Shawn Matsunaga

[@최민하-y1s]

1. The beauty of Hanauma Bay is truly stunning. 2. I gained a deeper appreciation for marine conservation. 3. The geological formations and stories were fascinating. 4. Snorkeling and seeing marine life firsthand was special. 5. I hope the preservation efforts continue in the future.

[@amandagracepangelinan2301]

erth-103-0 1. hanauma bay was created by a series of volcanic explosions 32000 years ago 2. i find it interesting how rocks such as basalt, limestone, and tuff can be found at hanauma bay 3. hawaiians used basalt to create tools and weapons 4. the sand on hanauma bay are fine with broken corals and shells 5. i've been living here for 3 years and i enjoy learning about the stories and the significance of beaches, buildings, etc., in hawaii

[@DrNasirGazdarPhDMPH786]

Please make a video just like Hanuma Bay and earn 200 points.

[@avenevangelista7971]

Pls post video, thank you!

[@brawlsips]

Great video! Underrated Channel 1. Hanauma bay was formed by volcanic activity 32,000 years ago. 2. Basalt was used for weapons by Hawaiians. 3. Hanauma bay is made mostly of tuff. 4. Hanauma bay became one of the favorite fishing and picnicking parks in the early 1950's. 5. The blast that was used to make room for an undersea cable, destroyed and created habitats simultaneously.

[@kazuminekishi5488]

ERTH103/Kazumine Kishi I have never been to Hanauma Bay and would like to take this opportunity to visit. 1, Hanauma Bay was formed when molten volcanic ash from an explosion about 32,000 years ago hardened. 2, The bay used to be a popular fishing spot for local residents. 3, The destruction caused by the blast created a new biological zone within the reef. 4, Balsamic is the most common rock in Hawaii, It was used to make weapons in the past. 5, The UHU fish crushes any rocks or coral they encounter.

[@jane2563]

Thank you for the amazing video! 5 things I learned: 1. Hanauma bay was formed by volcanic activity 32,000 years ago. 2. Hanauma Bay became a popular spot for snorkeling and sightseeing 3. Honolulu imported sand to create a barrier in the bay 4. Basalt, a volcanic rock, is heavier and finer-grained. 5. Basalt was used for tools and weapons by Hawaiians.

[@ArmandoMartinez-pk2ct]

Thank you for the great video! 5 things I learned: 1. Hanauma bay was formed by volcanic activity 32,000 years ago. 2. Hanauma Bay's education center has different rocks which can be found at Hanauma Bay. The native Hawaiians used Basaltic rocks in their tools and weapons. 3. Prior to 1956, there was a fringing reef stretching the bay, until bio weathering (human interference) caused the destruction of it. 4. The destruction of the part of the reef let new biodiversity to take hold in Hanauma Bay. 5. Parrot fish were once believed to be destroying the reefs, but actually promote healthy reef by preventing algae from smothering reef and are actually responsible for the output of sand.

[@MoeTakeuchi-n2i]

I love this video. There were so much to learn! Here are 5 things I learned: 1. Hanauma bay was formed by a series of volcanic activities 32,000 years ago. 2. You can find a variety of rocks, such as basalt, lava, limestone, and tuff. 3. Hanauma bay was one of the popular fishing and picnicking parks for local people, but it was not used for swimming purpose at that time because there were only two lagoons that were surrounded by a nearly unbroken chain of shallow reef along the shoreline. 4. Tons of coral rocks were removed from the central portion of the Hanauma bay in 1956 when the city and county of Honolulu sold an easement of the Hanauma bay to Hawaiian telephone company who blew the strip through the fringing reef in order to create an undersea telephone cable. 5. There were two recorded sand restoration projects in 1970 and 1987. Sand was imported to build a wave barrier on the reef crests in 1970 and to close the 1956 cable trend and restore the beach . Mahalo for your video!

[@PaeaMafi-Masima]

Thank you Shawn for this educational video! Five things I discovered: 1. Molten ash solidified and volcanic eruptions 32,000 years ago created Hanauma Bay. 2. Tuff makes up Hanauma Bay. 3. To install a telephone wire beneath the water, a piece of the bordering reef was torn through in 1956. 4. Sand from Kahuku was removed to rebuild the Bay's declining shoreline. 5. Hanauma Bay was once a well-liked fishing location.

[@AlayshaBalgas]

1. I never realized Hanauma Bay’s iconic shape was the result of volcanic forces and wave erosion. It really gives a whole new appreciation for how powerful and creative nature can be. 2. The role of parrotfish in creating sand is mind-blowing! I never would have guessed that they could be responsible for so much sand and tropical beaches. 3. The transformation of Hanauma Bay after the 1956 cable project is such a great example of how nature can adapt and create new habitats even after human intervention. 4. The comparison between basaltic rock and lava rock was so intriguing. It was fascinating to see their weight and texture differences were due to gas bubbles. 5. I’ve visited Hanauma Bay before, but never knew the story behind its sand restoration projects. It’s amazing how much effort goes into preventing these natural creations Mahalo for sharing this video!

[@ririkosawai]

Thank you for the video! These are 5 things I learned from the video. 1. Hanauma Bay is made by volcanic activity 32000 years ago. 2. Lava rock is lighter than basalt rock. Basalt rock is dense and solid. 3. Tuff is the volcanic ash hardened due to a natural cementing process. 4. Back in 1956, Hanauma Bay was one of the favorite fishing and picnicking parks for people in Hawaii. 5. In 1970, the city and county of Honolulu imported sand to build a wave barrier and the sand origin is still unknown.

[@DerekRespicio]

Shawn's presentation was great. Here are some things I can take with me today about Hanauma Bay. 1. Hanauma Bay has had 2 sand restoration projects due to erosion. 2. The north surrounding walls of the bay are made out of tuff. Basalt and choral are embedded within the tuff. 3. The sand is different. On one side, you have fine sand with grains of basalt, coral, and shells. Conversely, the sand is more coarse, with larger basalt, coral, and sediment particles. It is also duller in color. 4. You may see parrot fish or uhu, also known as the sand maker. A large parrot fish can make over a ton of sand each year. 5. Hanauma Bay was created about 32,000 years ago due to a series of explosions that created a hydromagmatic blast when a volcanic vent opened up underwater.

[@kaltulip]

Awesome video! Here's 5 things I learned: 1. 32,000 years ago, Hanauma Bay was formed by volcanic activity/ eruptions 2. The city of Honolulu imported sand to create a structured barrier in the bay 3. During the 1970's (and even still today) Hanauma Bay became a popular spot for snorkeling and sightseeing 4. Hawaiians used rocks as heavy weapons 5. The blast zone acted as a home for species that previously inhabited the area

[@sierra7689]

Hanauma Bay is beautiful and I spent a lot of time there when I was younger because my grandma worked there. 5 things I learned: 1. Hanauma Bay was formed 32,000 years ago from volcanic eruptions and hardening of molten ash. 2. Hanauma Bay is made of Tuff 3. In 1956, a strip was blown through the fringing reef to place a telephone wire beneath the ocean 4. Sand was taken from Kahuku to restore the receding shoreline of the Bay 5. Hanauma Bay was originally a popular fishing spot.

[@xxx129-r1m]

Thank you for this amazing video! Here are five things I learned: 1. Hanauma Bay was formed around 32,000 years ago due to a series of volcanic activities. 2. The bay contains various rock types, including limestone, basalt, and tuff. 3. Two sand restoration projects were recorded in 1970 and 1987. 4. Much of Hanauma Bay consists of tuff, which is formed from volcanic ash. 5. In the early 1950s, Hanauma Bay became a popular spot for fishing and picnicking.

[@AnhBui-hu1tg]

Thank you for the video! Here are 5 things I learned about Hanauma Bay: 1. 32,000 years ago, the Hanauma Bay was formed from the volcano eruption 2. In the early 1950s, Hanauma Bay became popular with the Hawaiians due to their fishing and picnicking 3. In 1956, the city/ county of Honolulu, sold an easement through the bay to the Hawaiian telephone company 4. They sold it to get the first leg of a new trans-pacific undersea telephone cable 5. The company Hawaiian Dredging was the contractor who blew a 200-foot wide strip through the reef, due to this, all the coral was removed and oil covered the water.

[@shabanessen]

Thanks for the video! 1. Hanauma Bay was created by volcanic activity 32,000 years ago 2. The volcanic ash that hardened to create Hanauma Bay is called Tuff 3. Sand was used to restore the erosion of the beach 4. Large amounts of debris pollution 5. Basaltic rocks are one of the most common igneous rocks which were often used for Hawaiian tools and weapons

[@JessieEsteron]

Thank you for the video! Here are 5 things that I learned: 1. Hanauma is made of molten ash that hardened. 2. Hanauma bay was formed 32,000 years ago. 3. The bay was a popular spot in the 1950's for fishing and picnics. 4. Snorkeling at Hanauma bay can be dangerous. 5. You can find a different variety of rocks at Hanauma bay.

[@Ave.Concepcion.I]

Great video of Hanauma Bay! 5 geological /environmental comments that I found most interesting: 1)Tuff is the volcanic ash that hardened through a natural cementing process, which is what Hanauma bay is made of some 32,000 years ago 2) Hanauma bay is made up of the molten ash that settled and hardened during a series of violent explosions 32,000 years ago 3) The blast zone became a habitat for species that haven’t occupied the space. 4) Sand restoration project to build wave barrier and restore beach from erosion. 5) Parrot fish were once believed to be destroying the reefs, but actually promote healthy reef by preventing algae from smothering reef and are actually responsible for the output of sand. Mahalo !

[@LucyR-wc6tu]

Thanks for another very informative video! 5 things I learned from the video: 1. Hanauma Bay became a very popular spot for snorkeling. 2. Hanauma Bay was formed by volcanic activity 32,000 years ago. 3. The sand is made up of a mixture of basalt, sea creature shells, and coral. 4. Basalt was used to make/used as weapons by the Hawaiians. 5. Hanauma Bay was originally used as a fishing spot.

[@alyssalai5623]

Mahalo Shawn for the video! 1. Hanauma Bay was formed 32,000 years ago from volcanic eruptions and hardening of molten ash. 2. Hanauma Bay is made of Tuff. 3. Hanauma Bay's sand is composed of basalt, coral, and olivine. 4. I like how sand was imported to bring back the beach because of the erosion that was happening. 5. In 1970, new sand was brought in to Hanauma Bay to build wave crests and close the cable trench that was created in 1956.

[@yyjp]

Thank you for great video! 5 things i learned 1. Hanauma bay is made up of the molten ash that settled and hardened during a series of violent explosions 32,000 years ago. 2. The ash chemically cemented together over time to create the tough cone a rise in sea leavel and wave erosion is the reason for the break in the cone which filled with ocean water to creat hanauma bay. 3. Tough is the volcanic ash that hardened due to a natural cementing process this is what hanauma bay is made of and we can see the fragments of basalt and coral embedded into the tuff which has a resemblance to sandstone. 4. In 1956, hanauma bay had already become one of the favorite fishing and picnicking parks for the people of Hawaii. 5. The loose rubble left by the blasting became a habitat for a host of small invertebrates and fishes who feed on them many of which had not lived inside the reef in numbers prior to the blast.

[@Larvalover_Woo]

I loved the video! 1. Hanauma Bay was formed by volcanic activity 32,000 years ago, mainly consisting of tuff, a hardened volcanic ash. 2. A new habitat for marine life developed from the rubble of a 1956 blast, enriching the bay's ecosystem. 3. The bay saw two sand restoration efforts in 1970 and 1987 to mitigate erosion and repair damage. 4. Its fine sand is a mix of basalt, coral, and sea creature shells, reflecting a diverse marine environment. 5. Despite its beauty, Hanauma Bay struggles with pollution from debris and waste on its shores.

[@MicheleIto-o1t]

5 things I learned from this wonderful video: 1. Hanauma Bay is made up of molten ash that settled & hardened during a series of explosions 32000 years ago. 2. The Education Center has examples of rocks at Hanauma Bay -- Basalt, Lave, Coral, & Tuff. 3. Basalt is the most common form of volcanic rock and is heavier and harder. The Hawaiians used it for tools and weapons. 4. In the 1950's Hanauma Bay was popular with fishing and picnics by the people of Hawaii. 5. In 1987, sand was imported from Kahuku to restore the beach due to erosion.

[@MrPeach-ct7nb]

Loved this video presentation. Here are 5 things I learned: 1. 32,000 years ago, Hananuma Bay was created from a volcanic activity 2. The Hananuma Bay was a favorite fishing and picnicking park during the 1970s 3. Hananuma Bay has undergone 2 restorations 4. The sand texture has changed 5. In the bay you can find different rocks like limestone, basalt, etc. Thank you for this informational video!

[@kimchiandudon1617]

Thank you for sharing this video! 1. Hanauma Bay was formed by volcanic activity 32,000 years ago 2. Basalt was used for tools and weapons by Hawaiians 3. Two restorations of Hanauma Bay were carried out by using imported sand to conceal the cable trench 4. Basalt is a volcanic rock that is heavier and finer-grained 5. Hanauma Bay is mostly made of tuff

[@TatianaBerrios]

This is a very nice presentation. 5 things i learned are: 1) Hanauma bay was made by a series of volcanic eruptions, lava rocks are pores and light 2) Hawaiians use the heavy rock as weapons 3) lose rubble from the blast in the bay created a habitat for animals that were not originally there 4) Honolulu imported sand to create a barrier in the bay 5) different parts of the bay have different types of sand one side is more course and the other light.

[@user-xv3ol7pn9b]

Thank you for the video! 1.A sequence of volcanic events 32,000 years ago created Hanauma Bay. 2.Certain species that had not previously inhabited the area found a home in the blast zone. 3.The 1970s saw Hanauma Bay become a popular park for picnics and fishing. 4.Two restorations of Hanauma Bay were carried out using imported sand to conceal the cable trench. 5.Along with creating new homes for all species, the easement that ran through the reef was destroyed.

[@safetsadic]

Thank you for the great presentation! 1. Hanauma Bay was formed 32,00 years ago from volcanic activity 2. There are many different volcanic rocks, especially basalt and lava rock 3. In 1956, a telephone cable destroyed a big portion of the reef 4. There were two sand restoration projects 5. The sand at Hanauma Bay has olivine

[@meliakamaka234]

Thanks for the cool video! 5 things I learned 1.Hanauma Bay was formed over 32,000 years ago. 2. In 1956, there was a large portion detonated out of the reef to place an undersea telephone cable. 3.Anew biological zone became a habitat for creatures that didn't live there before. 4. There were 2 restoration attempts over the years. 5.The bay has 2 different types of sand, a course rough sand and a softer finer sand.

[@Jarod_Tagudan]

Thank you professor. 1) Hanauma Bay was made of molten ash from a series of violent explosions 32 thousand years ago. 2) Basalt rocks were used by the Hawaiians as tools and weapons. 3) Tuff is volcanic ash that hardened due to a natural cementing process. 4) Hanauma Bay was a favorite fishing and picnicking park in 1956. 5) The two lagoons at the north end of Hanauma Bay had a nearly unbroken chain of coral reef until 1956.

[@meghanwilliams456]

Wow! Despite living here my whole life this was my first time really learning about Hanauma Bay. Thank you for sharing! 1. Hydromagmatic blast occurred when a volcanic vent opened up under water , this explosion blew up steam, hit gasses, coral, and fine ash which coved the area which cemented over time and created the tuff cone, rise of sea level, and wave erosion 2. Types of rocks found here: basaltic (more dense and solid)and lava (light in weight and dense) rocks 3. In 1956, Honolulu sold an easement through the bay to the Hawaiian telephone company for the first leg of a new trans-pacific undersea telephone cable. With this they blew a 200ft wide strip through the reef 4. With the blast came a new biological zone and there were more hiding spots for animals from the blown up pieces of rocks and coral 5. 2 recorded sand restoration projects: 1970 (imported sand to build a wave barrier and the reef crest to close the blown up area from 1956) & 1987 (imported sand from Kahuku to restore sand from erosion)

[@QingyuHe-q9s]

Thanks for the wonderful video 1. Dinosaur Bay was formed by volcanic activity 32,000 years ago. 2. There are many types of volcanic rocks, especially basalt and lava. 3. Dinosaur Bay was once a popular fishing spot. 4. Tuff makes up Dinosaur Bay. 5. The sand is fine-grained, with basalt, coral, and various shell fragments.

[@maliawong7507]

Thanks for the amazing video! A few things I learned was: - Hanauma was created by explosions from volcano and the molten ash then become hardened. - Back in the early 1950s, Hanauma Bay became a really popular spot for fishing trips and picnics. - Besides the beauty, Hanauma Bay struggles with pollution from debris and waste on its shores. - Hanauma Bay was created about 32,000 years ago due to a series of explosions that created a hydromagmatic blast when a volcanic vent opened up underwater. - Basalt has a high density of fine grains and is hard, so it was very useful to the native Hawaiians as a material for tools and weapons.

[@SakeNeko_1130]

Thank you for the video. 1. Hanauma bay was formed by volcanic explosions 32,000 years ago. 2. Lava rock is light and porous, whereas basalt is more dense and solid. 3.Tuff is what Hanauma Bay is made of 4. At Hanauma Bay there are a few types of rocks that you can find, there are balsaltic rocks and Lava rocks . 5. Close to the shore, the sand abruptly becomes more coarse and rough, with larger pieces of rock and coral.

[@crystalquigley9137]

Thank you for this concise and thorough presentation! 5 things I learned: 1. Hanauma Bay is made up of the molten ash that settled and hardened during a series of violent explosions 32,000 years ago. 2. The ash chemically cemented over time to create the tough cone. 3. In 1987, 3500 cubic yards of sand were imported from Kahuku, Oahu, to restore the beach from erosion. 4. The sand composition is fine with pieces of basalt, coral, and various shells. 5. The parrotfish breaks down coral polyps with its beak and then excretes sand which ends up on the sea floor and bay area.

[@donald2590]

Thank you for the video professor! 1) Hanauma bay was created about 32,000 years ago due to volcanic activity 2) Hanauma bay underwent restoration efforts in the 1970 and 1987 to help with the damage it suffered 3) Basalt rocks are the most common igneous rocks found from Hawaiian Volcanoes 4) A new biological ecosystem formed due to the eruption from the ash and rubble that enriched its ecosystem. 5) In the early 1950's, Hanauma bay was a famous local spot for picnics and fishing

[@mahinayoung3654]

5 facts about Hanauma Bay: 1. The bay is made out of molten ash that harden and settled during violent activities around 30,000 years ago. 2. There can be many sightings of different types of rock that includes : Tuff, Basalt, and Limestone that is amongst the reef. 3. The county and city of Honolulu sold an easement that went through the bay for an Hawaiian Telephone company for their first leg of a trans-pacific under the sea telephone cable. 4. With the destruction of the easement going through the reef, it also created new habitats for all creatures to live in. 5. New sand were Brought in 1970 to create wave crests and close the cable trenches. Mahalo for the video!

[@kamalanimoufa]

Thank you for this video! Here are the 5 things I learned: 1. Hanauma Bay is made from the molten ash that occurred from volcanic eruptions 2. Lava rocks are porous and light 3. The bay was a local fishing spot 4. The underwater telephone cable brought destruction to the bay 5. There was a sand restoration project in the 1970s to help restore the bay

[@johnbuck9625]

Aloha Dr. Gasdar and Shawn, Fantastic presentation! Here are some things I learned. 1. Hanauma bay was created 32,000 years ago in a series of violent eruptions. 2. Hydromagmatic balsts occurred when a volcanic vent opened up under water, blowing up steam, coral, and rock which cemented over time into the cinder cone. 3. Rising sea level and wave erosion caused the break in the cone, forming Haunama Bay. 4. The cemented ash in Haunama Bay is called Tuff, and rocks and coral can be found with it. 5. In 1956 the City and County of Honoulu sold an easement in the bay to the Hawaiian Telephone Company for the first section of a trans-pacific undersea telephone cable and Hawaiian Dredging was contracted to blow a wide section of the coral reef, destroying part of this ecosystem and toxifying the environment with oil. 6. The rubble from the channel eventually provided firtle grounds for a variety of sea life, not present prior. Mahalo Shawn for your great work. John B.

[@Jamuna-Atma]

Learned some new things. Great video. Here are five geologic things I have learned from the video. 1. Haunama Bay is made up of molten volcanic ash that settles and hardened during a series of violent explosions about 32,000 years ago. 2. Basalt is the most prevalent rock of the Hawaiian volcanoes. (I actually knew this, but felt to share for those who do not know.) 3. Tuff is the volcanic ash that hardens due to a natural cementing process. 4. In 1956, the C&C of Honolulu sold an easement through Haunama Bay to the Hawaiian Telephone Company for the first underwater telephone cable. A Hawaiian dredger blew a 200 foot wide strip through the reef. 5. Parrotfish eat a lot of coral which is capable of producing a ton of sand per year.

[@Ddgnhgdssvnjytd]

Thank you for sharing this video. 1, Hananuma Bay was created by a series of volcanic activities that took place 32,000 years ago. 2, Hanauma bay became one of the favorite fishing and picnicking parks in the 1970's. 3, We can find rocks, including lava, basalt, and coral in Hanauma Bay. 4, Basalt was used for tools and weapons by Hawaiians. 5, Got to know more about Hawaii just from watching this video, although this is an amazing and beautiful beach.

[@genesebrown7802]

1.Very well put together presentation 2. Your presentation was very well constructed with descriptive information 3. As I listen to your presentation , it is quite similar to the bay here on Maui"maliko bay" 4. I enjoy the music you had added in , it added the feeling of being there at that time of the century 5. Interesting how you contributed all forms of matter and life into your presentation

[@bibak6927]

Aloha, great video! 1. Hanauma Bay is one of the most popular beaches here in Oahu. 2. I learned that Hawaiians used basalt to make weapons. 3. Hanauma Bay was blown up back in 1956 al because of a underwater telephone cable. 4. The blowing up of the bay back in 1956 actually has some benefits today for the sea creatures. 5. Last but not least, Hanauma bay is great place that is absolutely stunning.

[@thehorseface5821]

Thank you for the video. 1) 32,000 years ago, Hanauma bay was formed from volcanic eruptions and molten ash. 2) Due to basalt, coral, and other sediments, the sand on Hanauma Bay gets coarse 3) Basalt is hard and has a high density of fine grains 4) In the early 1950s, Hanauma Bay became a really popular fishing spot 5) The bay surrounding walls are made of tuff

[@noahnakaoka1928]

Thank you for the video! 1. Hanauma Bay was formed by the molten ash that was hardened by a series of eruptions about 32 thousand years ago 2. Basalt rocks, volcanic rocks and also coral rocks can be found at the bay. 3. Due to the blast of 1956 many species were allowed to thrive in the bay. 4. Sand textures changes as there are more basalt rocks in the sand 5. in 1950's the bay became a very popular hangout area to fish and to relax.

[@papashogun8794]

Mahalo for the video, Shawn These are some things I learned from your video: 1) Hanauma Bay was formed 32,000 years ago from volcanic eruptions. 2) You can find basalt, lava rocks, limestone, and tuff in and along the beach. 3) There were two recorded sand restoration projects, one in 1970 and one in 1987. 4) Some of the sand at Hanauma Bay is produced by the coral from parrotfish. 5) In the 1950's, Hanauma Bay was the most popular place for people to fish and picnic.

[@carljustanormalguy5011]

Tristen Tsu (ERTH 103) Thank you for this amazing video Here is 5 things I learned: 1.Hanauma Bay was created 32,000 years ago because of volcano activity 2.Basalt rock is hard and dense while lava rock is light 3.In 1956 A Hawaiian telephone company blew up large portions of reef to establish a telephone line 4.there are multiple type of rocks at Hanauma Bay those being: Basalt, Lava, Coral, and Tuff 5.during the 1980's, 3500 cubic yards of sand was shipped in from Kahului to restore beach erosion.

[@antoniobenton5664]

Great Video! 1. Hanauma bay was formed by volcanic activity 32,000 years ago. 2. Sand restoration project to build wave barrier and restore beach from erosion. 3. Hananuma Bay has undergone 2 restorations 4. The beach is made primarily of basalt and coral. 5. Back in the early 1950s, Hanauma Bay became a really popular spot for fishing trips and picnics.

[@Guestguy5423]

Great video professor! 1. Hanauma Bay was formed by volcanic activity 32000 years ago 2. It has seen a lot of visitors 3. It can be dangerous for snorkeling in the bay so be careful 4. Popular tourist destination, with crystal-clear waters, vibrant coral reefs, and soft white sand beaches 5. Fishes & turtles can be seen in waters Hanauma Bay

[@jugem7172]

Thank you for sharing this great video. 1. Hanauma Bay was formed by volcanic activity 32,000 years ago. 2. Hanauma Bay has implemented strict conservation measures to protect its delicate ecosystem because of the environmental impact of tourism . 3. Hanauma Bay is made mostly of tuff 4. Hanauma Bay is one of the favorite fishing and picnicking parks in the 1970’s . 5. Basalt was used for weapons by Hawaiian.

[@MakaylaFuruto]

Makayla Furuto ( ERTH 103, FALL 2024) Thank you for this amazing video! 1. Hanauma Bay was made 32,000 years ago from molten ash that settled and hardened during a series of explosions. 2. At the education center there were examples of rocks that were found there such as Basalt, lava rocks, coral, and tuff. 3. In 1956 Hanauma bay was one of the favorites fishing and picnicking area. 4. In 1970, the city and county of Honolulu imported sand to build a wave barrier and the sand origin is still unknown. 5. Basalt has a high density f fine grains and is hard, so it was very useful to the native Hawaiians as a material for weapons and tools.

[@jasminesalvador8172]

Thank you Shawn and Professor for this wonderful video! Jasmine Salvador (ERTH 103) The five things I have learned: 1. Hanauma Bay was created by a series of volcanic activities that occurred 32,000 years ago. 2. In Hanauma Bay, rocks such as limestone, basalt, and tuff can be found. 3. There were 2 recorded sand restoration projects in 1970 and 1987. 4. Most of Hanauma Bay is made of Tuff which was made from Volcanic ash. 5. Early 1950’s, Hanauma bay became one of the favorite fishing and picnicking parks.

[@bella-vv8hp]

Thank you so much for the video! 1. Hanauma Bay was created from hardened ash after a series of volcanic explosions 32,000 years ago. 2. Lava rock is light and porous, whereas basalt is more dense and solid. 3. There are two natural lagoons at the north end of the bay, surrounded by shallow reef along the shoreline. 4. In 1987, 3,500 cubic yards of sand was imported from Kahuku to combat beach erosion. 5. Close to the shore, the sand abruptly becomes more coarse and rough, with larger pieces of rock and coral.

[@isseiso6374]

Thank you for this great video! 1. Hanauma Bay was created as a result of an undersea volcanic vent. 2. The landscape and sand quality differ at the bay's two ends. 3. Hanauma Bay was constructed using molten ash. 4. They imported sand twice in the 1970s and 1980s to restore the beach after it had eroded due to erosion. 5. The wall that surrounds the bays is made of tuff.

[@tszchingchoi272]

Thank you for sharing a wonderful video. 1. Hanuma Bay was formed by molten volcanic ash that hardened and settled during a series of volcanic eruptions that occurred 32,000 years ago 2. In the early 1950s, Hanuma Bay became one of the most popular fishing and picnic parks. 3. Hanama Bay is composed of tuff 4. We can find different rocks such as basalt, lava, limestone and tuff. 5. Two sand restoration projects were recorded in 1970 and 1987

[@worldoffunnyness]

Thank you for the educational video! Well done! 1. Hanauma Bay was formed around 32,000 years ago due to a series of volcanic activities. 2. In the early 1950s, Hanauma Bay became popular with the Hawaiians due to their fishing and picnicking. 3. The bay contains various rock types, including limestone, basalt, and tuff. 4. Although the bay went through some destruction when they tried to put the underwater cable in it, it created a new biological zone within the reef and created new homes to new species that were not originally found in the reef before. 5. Two sand restoration projects were recorded in 1970 and 1987, sand was from Kahuku on Oahu.

[@nagi2002]

Thank you for sharing such a great video !! 1 Early1950’s, Hanauma Bay became one of the favorite fishing and picnicking parks. 2 Hanauma Bay was formed 32,000 years ago from volcanic eruptions and hardening of molten ash. 3 There are 4 types of rocks that could be found in the bay. Basaltic, Lava, Limestone and Tuff. 4 A balsamic rock was is more dense and solid texture. 5 The bay has 2 different types of sand which are course rough sand and softer finer sand.

[@shawpascua2177]

This was a great video! 1. Hanauma Bay is made up of the molten ash that happened 32,000 years ago. 2. The ash cemented together to create the cone and wave erosion was the cause for the break in the cone. 3. Basalt is the common volcanic rock found in Hawaii. 4. The sand on Hanauma Bay can get more coarse due to basalt, coral, and other sediments. 5. The coral has a thin layer of living tissue while it leaves a hard calcium tissue as it grows.

[@SONG-ni1oz]

Thank you for sharing this wonderful video with us: 1. Hanauma Bay is made up of molten ash hardened from a series of violent explosions 2. Hanauma Bay's sand is composed of olivine, basalt, coral, and more 3. Hanauma Bay has been through two restorations 4. Hanauma Bay is made of tuff 5. A fresh ecological zone was established within the bay to accommodate recently introduced animal species.

[@loganmcmoore322]

I really enjoyed this video. Especially with me living just down the road gave it a sense of familiarity. 1. Hanauma Bay has a center filled with educational things pertaining to this bay such as volcanic rocks, history, and etc. 2. Hanauma Bay was formed 32,000 years ago from volcanic eruptions and hardening of molten ash 3. You can various types of rocks such as basalt, lava, limestone, and tuff 4. The sand texture changes 5. Early 1950’s, Hanauma bay became one of the favorite fishing and picnicking parks.

[@Hina-qh7wy]

Thank you for the video! 1. Hanauma Bay was created by a series of volcanic activities that occurred 32,000 years ago. 2. In Hanauma Bay, rocks such as limestone, basalt, and tuff can be found. 3. Basalt has a high density of fine grains and is hard, so it was very useful to the native Hawaiians as a material for tools and weapons. 4. Tuff is a rock formed by the weathering of volcanic ash. 5. Lava rocks are porous.

[@marissanishiki1281]

Thank you for sharing this beautiful video! Here are my takeaways: 1. Hanauma Bay was formed by a multitude of volcanic eruptions. Eruptions then prompted chemical weathering, creating the bay. 2. A multitude of rocks can be found in Hanauma bay, such as lava rocks, tuff, basaltic rocks, and sanstones. 3. Prior to 1956, there was a fringing reef stretching the bay, until bio weathering (human interference) caused the destruction of it. 4. Sand restoration projects in the 1970's were implemented to combat 1956's prior erosion in the bay. 5. Sand textured vary on the bay, possibly due to imported sand, and the shoreline pushing debris onto the land.

[@viviennehill533]

Thank you for the video - I love to hike Hanauma bay. 1. The original fallout from the volcanoes gave way for new species to move into the bay, part of why it's so diverse. 2. Basalt, made from volcanic activity, was commonly used for tools by the Hawaiian people. 3. Hanauma bay was first formed by volcanic activity around 32,000 years ago. 4. Hanauma bay is made out of that same volcanic ash. 5. The beach is made primarily of basalt and coral. Mahalo nui loa!

[@leilynetaomia1295]

This was an amazing presentation. Lots of good information about a beautifully and popular attraction here in Oahu. 1. Hanauma Bay is made from the molten ash that settled and hardened during a series of violent explosions many years ago. 2 Hanauma Bay is a beautiful marine and animal sanctuary that is still a popular attraction today . 3. There are lava and basalt, coral, Tuff, that make Hanauma Bay. 4. Basalt Rock is the most common volcanic rock in Hawaii, is heavier, fine grained and harder and was prized by the Hawaiians for tools and weapons. 5. There were two sand restoration projects. One in 1970 and one in 1987. Sand was brought in from a undisclosed location and the other was brought in from Kahuku, Oahu.

[@MISSKAMEA]

Mahalo Shawn Matsunaga for this wonderful video presentation on Hanauma Bay. 1. Hanauma Bay was declared the State of Hawai'i's first Marine Life Conservation Distrinct in 1967. 2. Hanauma Bay is located on the southeast corner of the island of O'ahu, in the Moku (district) of Ko'olaupoko, in the Ahupua'a (land division) of Maunalua. 3. Hanauma Bay was created 32,000 years ago as a result of a number of volcanic explosions. 4. The bay is surrounded by walls made out of tuff, which is porous rock formed by the hardening of volcanic ash. Fragments of basalt and coral can be seen embedded within the tuff. 5. The sand found at Hanauma Bay is made out of Basalt, Coral and Olivine. Interestingly, Parrot Fish generate some of the sand after digesting coral. Additional Information: 6. Hanauma translates to Curved Bay. Hana means bay and Uma means curved. 7. Hanauma was once a favored fishing spot for Hawaiians and a wa'a (canoe) launching area for those traveling to Moloka'i.

[@macybaron3230]

I have never visited Hanauma bay and I have lived here my whole life! 1.I like you stated hanauma bay was made not as a beach park for sport but as a nature preserve. 2.Lava rock light and bubbles basalt used to make weapons by native Hawaiians. 3.Tuft resembles sandstone and is the general make up of Hanauma bay. 4. The trans pacific telephone cable in my eyes is a positive since more reef life entered in and made its habitat there. 5. I didn’t know there were so many species of parrot fish! Also, I had no idea you could actually hear the parrot fish crunching rocks to make beautiful sand

[@philip6305]

Great Video! 1. Hanauma bay cone was broken by wave erosion which in return created a new marine ecosystem. 2. In 1956 they contracted with hawaiian telephone company to allow them to input a undersea telehpone cable which allowed marine life to go in and out of the bay. 3. Its fine sand is a mix of basalt, coral, and sea creature shells, reflecting a diverse marine environment. 4. Basalt was used for tools and weapons by Hawaiians 5. Two restorations of Hanauma Bay were carried out by using imported sand to conceal the cable trench

[@vudang5700]

Hanauma Bay was very interesting to learn about. It is absolutely a stunning place. 1. The foundation and origin of Hanauma Bay was formed 32,000 years ago through volcanic eruptions, explosions, and from the molten ash that had hardened. 2. It was known for being one of the main spots for fishing and for picnics in the early 1950s. 3. There are four types of rocks that could be found in the bay; Basaltic, Lava, Limestone, & Tuff. 4. The most common rock found in Hawaii is balsamic which was used to create and forge weapons. 5. There were two sand restoration project attempts.

[@hoaraipou6923]

I learned a lot thanks for this video! 1. Hanauma Bay was formed as a result of volcanic eruptions that happened 32,000 years ago. 2. You can come across various rocks such as limestone, basalt, and tuff in Hanauma Bay. 3. I appreciate that despite some destruction of the reef, the living creatures and new inhabitants have managed to establish it as their home. 4. Erosion is a significant issue for many beaches on Oahu. 5. The sand at Hanauma Bay is composed of basalt, coral, and olivine. It's fascinating to note that some of the sand is generated by parrot fish after they digest coral.

[@seokminyoon1945]

Thank you for the video 1. Back in the early 1950s, Hanuma Bay became a really popular spot for fishing trips and picnics. 2. Hanuma Bay was shaped by hot volcanic ash that cooled and settled during volcanic explosions around 32,000 years ago. 3. Hanama Bay is mostly made up of a type of rock called tuff. 4. They worked on fixing up the sand at Hanuma Bay twice, once in 1970 and again in 1987 5. You can find different kinds of rocks there, like basalt, lava, limestone, and tuff.

[@huntah.shredda]

mahalo for vid! 1)Early 1950’s, Hanauma Bay became one of the favorite fishing and picnicking parks. 2)it was created around 32,000 years ago due to volcanic eruptions 3)In Hanauma Bay, you can find rocks such as limestone, basalt and tuff 4)Hanauma Bay was formed over 32,000 years ago. 5)3. Basalt has a high density of fine grains and is hard, so it was very useful to the native Hawaiians as a material for tools and weapons.

[@cmccr90]

This video was amazing! So informative! I really learned a lot that I did not already know, despite having lived here for over a decade, and having been to Hanauma Bay many, many times. 1. Hanauma Bay is made of molten ash that settled and hardened during volcanic explosions 32,000 years ago! 2. Hanauma Bay was popular as a fishing and picnicking spot through the 1950s; however, swimming was not common. This changed in 1956 when C&C Honolulu sold an easement through the bay to install an underwater telephone line. As part of the installation, Hawaiian Dredging blew a 200-ft.-wide strip through the reef, creating the "center" of the bay. This destroyed coral and polluted the bay with oil. 3. On a more positive note regarding the underwater cable installation (above), the rubble diversified the ecosystem and provided an opportunity for new life to enter Hanauma Bay. The bay became home to small invertebrates, fish, and other sea creatures, unlike before, now that they had ample space, protective habitats, and a channel to come and go from the bay to the ocean. 4. Like other beaches on O'ahu, such as nearby Waikiki, Hanauma Bay has undergone sand restoration projects due to beach erosion. Two recorded projects include 1970, from which the sand's origin is unknown, and 1997 when sand from Kahuku was imported into the bay. 5. Depending on where you stand at the bay, it can feel like a very different environment, with some areas even having different-colored or coarser sand than others. An abundant material that can be found around the bay, as the surrounding walls are made of it, is called "tuff," which is volcanic ash that is hardened due to a natural cementing process. Tuff contains fragments of basalt and coral and resembles sandstone. Mahalo 🤙

[@gabi-ij7ys]

Mahalo for the video on Hanauma Bay! 1. Hanauma Bay was created from an underwater eruption 2. Rocks at Hanauma Bay include basaltic, lava, tuff, etc.; lava rocks are lighter compared to basalt because of the amount of gas bubbles found in volcanic rocks 3. The coral at Hanauma Bay has a thin outer layer, and will leave a hard skeleton as it grows 4. Hanauma Bay was initially popular for fishing, but not for swimming 5. After the construction blast in the 1950s, it opened up a new environment + channel in the reef for different species

[@meghanambrose]

Thank you for making this video, Shawn and thank you for sharing professor! Here are my 5 facts: 1. Hanauma Bay is made up of molten ash that settled and hardened during a series of violent explosions 32,000 years ago. 2. Basalt, which is the most common form of volcanic rock in Hawaii, is heavier, fine-grained, harder and prized by the Hawaiians for use in tools and weapons. 3. Prior to the year 1956 Hanauma Bay had already become one of the favorite fishing and picnicking parks. 4. In 1956 the city and county of Honolulu had sold an easement through the aby to the Hawaiian telephone company, who blew a 200-foot-wide strip through the reef. 5. There were two recorded sand restoration projects, one in 1970 and another in 1987.

[@HajinKim-nk8fq]

Thank you so much for the educational video! 1. Hanauma Bay is situated on the south east coast of Oahu, Hawaii. 2. It is a protected marine life conservation area and underwater park, established to preserve the rich biodiversity of the bay. 3. The bay was formed within a tuff ring, a type of volcanic crater, resulting from a volcanic eruption approximately 32000 years ago. 4. Hanauma Bay is home to one of Hawaii's most accessible coral reefs, featuring a diverse range of marine species, including colorful fish, sea turtles, and various coral types. 5. The bay is popular for snorkeling and swimming, with a visitor center that provides education about the marine environment and conservation efforts.

[@KaitonyaEgan]

Thank you for sharing 1. Hanauma Bay is made up of molten ash that settled and hardened before going through an extensive process 2. Basaltic and lava rocks are found there 3. The basaltic rocks are denser and more fine-grained compared to lava rocks 4. Tuff is the volcanic ash creation that is all around Hanauma Bay 5. Hanauma's reef was destroyed years ago but then the reef was improved.

[@chiaraduyn2251]

Thank you for making this video Professor Gazdar- Some takeaways are: -Hanauma bay started about 40,000 years ago; the tallest and most preserved ash cone. -About 20,000 years ago the bay was created -You can experience/find different types of rocks at Hanauma Bay, such as lava, basalt, limestone, and tuff (volcanic ash that hardens). - Hanauma bay is made out of tuff. -Famous for fishing and picnicking. -There is a cable running through Hanauma Bay.

[@ansoni_im]

1. Snorkeling and seeing marine life firsthand was special. 2. Basalt was used for weapons by Hawaiians. 3. Two sand restoration projects were recorded in 1970 and 1987. 4. Hanauma bay became one of the favorite fishing and picnicking parks in the early 1950's. 5. Hanauma was created by explosions from volcano and the molten ash then become hardened.

[@SenaEndo]

Thank you for sharing! 1. Hanauma Bay is composed of molten ash that precipitated and solidified from a crater eruption 32,000 years ago. 2. Rocks such as lava, basalt, and coral can be found in Hanauma Bay. 3. There were also eruptions that produced steam, hot gases, coral rocks, and volcanic ash from the ocean. 4. Basaltic rock is one of the most common igneous rocks often used in Hawaiian tools and weapons. 5. Hanauma Bay underwent two sand restoration projects, one in 1970 and the other in 1987.

[@kamalanicrowell]

thank you for the video! 1)Early 1950’s, Hanauma bay became one of the favorite fishing and picnicking parks. 2)it was created around 32,000 years ago due to volcanic eruptions 3)In Hanauma Bay, you can find rocks such as limestone, basalt and tuff 4)Hanauma Bay was formed over 32,000 years ago. 5)3. Basalt has a high density of fine grains and is hard, so it was very useful to the native Hawaiians as a material for tools and weapons.

[@seki-n2w]

Thanks for this useful video. 1. Hanauma Bay experienced two efforts for restoring sand in 1970 and 1987. 2. Hanauma has different types of rocks: basalt, limestone, and tuff. 3. Lava rock is light in weight, and the balsamic rock is more dense and solid. 4. Basalt is one of the most commons rocks found in Hawaii. 5. Both ends of the bay have different scenery and texture of sand.

[@catherinelargosa1332]

Aloha, I really enjoyed this video it was great to know the history about Hanauma Bay! 5 things I learned 1.) Hanauma Bay is made of molten ash that later settled and hardened during violent explosions 32,000 years ago 2.) Rise in sea levels and wave erosion is the reason for the break in the cone with filled with ocean water to create Hanauma Bay 3.) Due to hawaiian telephone company a contractor blew a 200 feet wide strip through the reef in the waters of the bay 4.) Sand restoration projects in 1970 & 1987 the city and county of honolulu imported sand to build a wave barrier on the reef crests to close the 1956 cable and restore the beach 5.) Parrot fish made the sand are responsible for billions tons of sand per year.

[@tiffanyramos-duh4268]

Mahalo for this video. Here are some things I learned about Hanauma Bay: 1. Hanauma Bay was created from molten ash that settled and hardened 32,000 years ago. 2. You will find different types of Lava rock and basalt rocks at Hanauma Bay 3. Basalt rock is used by native Hawaiians as a tool 4. There was a channel created by Hawaiian dredging that destroyed a lot of the reef, but it also allowed more sea animals to thrive there 5. There was a lot of sand imported from Kahuku to restore the beach erosion.

[@anelakc5797]

I loved learning more about Hanauma Bay. What I learned: 1. there were many different events needed in order to create the bay. 2. Lava rock is lighter than basaltic rock 3. The origin of the sand is unknown 4. Coral is also called limestone 5. There has been two beach restorations

[@jayviannkillion482]

1. I used to drive pass Hanauma Bay but I never once been there. I've been in Hawaii since I was just an infant and I can't believe that I'm missing out on such a great place. I didn't know about Hanauma Bay until after high school. I worked in the car rental and had many customers who talked about there stay and how they spent there vacation at the Hanauma bay. I thought it was a place to fish but thanks to this video I learned so much from this video. 2. The bay was made up of molten ash. 3. Sand is a different color on other side of Bay. 4. There are large chunks of rocks and corals 5. The sand texture changes

[@lovelyloves2039]

Mahalo to both for creating and sharing this educational video! Here is some things that I learned: 1. Hanauma bay was created from underwater volcanic activity and is as old as 32,000 years. 2. A new biological zone in the reef was created after the blast for the telephone company, resulting in a new habitat for invertabrates and fishes. 3. There were numerous attempts to restore the sand in the bay, including receiving sand from different areas. 4. In result of this, you can find many different types of things and textures such as limestone, basalt, coral, etc. 5. The bay is home of numerous types of parrot fishes such as stareye parrot fishes, palenosed parrot fishes, redclip parrot fishes, and so on.

[@HarrisonFulbright]

Thank you for the video! 1. Hanauma bay is made from molten ash that hardened 32000 years ago. 2. Hanauma bay has basaltic rock and lava rock. 3. Volcanic rocks are porous because of the gas bubbles that are trapped in them. 4. In 1970 sand was imported to build a wave barrier on the reef crest. 5. The two ends of the bay are very different, possessing different size sand particles.

[@c_C_]

ERTH-103-0 (cierra carlsberg) Thanks for the video! 1. Hanauma bay was created by volcanic ash settling over time. 2. Lava rock can have extremely different composistions. 3. Sand was imported to Oahu to help alleviate beach erosion. 4. Coral is both organic, and stone (specifically limestone in this video). 5. Hanauma bay is surrounded and heavily composed of tuff, a volcanic rock.

[@DanikaKusumoto]

Thank you for the educational video! 1. Hanauma Bay was created by a series of volcanic explosions 32,000 years ago. 2. Tuff is the volcanic ash that hardened due to a natural cementing process. 3. Hanauma Bay is made of tuff and you can see the fragments of salt and coral embedded into the tuff, bearing a resemblance to sandstone. 4. A new biological zone was created in the reef after the explosion. 5. The sand on Hanauma Bay is very fine, consisting of grains of basalt, coral, and shells of various sea creatures.

[@JourneyImholte-c4l]

Thank you for this educational video ! The things I learned include: 1. There is olivine in the sand of Hanauma Bay. 2. A variety of volcanic rocks, primarily basalt and lava rock, are found in the area 3. A large section of the reef was damaged in 1956 by a telephone cable. 4. Volcanic activity built Hanauma Bay 32,000 years ago 5. There were two initiatives to restore the sand.

[@yukaslife]

Thank you for the video! 1. Hanauma Bay is made up of the molten ash that settled and hardened during a series of violengt explosions 32000 years ago. 2. It was already Hawaiians' one of the favorite fishing and picnicking parks in 1956. 3. Rocks such as limestone, basalt, and tuff can be found in the bay. 4. There were two recorded sand restoration projects in 1970 and 1987. 5. The base surrounding walls are made of tuff.

[@cjthedonut529]

1. When Hanauma Bay was made, I didn't realize it took so much for it to manifest itself 2. I haven't been to Hanauma Bay before, but seeing how it's famous for fishing and hanging out must be really nice to experience 3. What I like is that even if parts of the reef have been destroyed, the creatures living there strives and new creatures as well managed to make it their home 4. I like how sand was imported to bring back the beach because of the erosion that was happening 5. I find it interesting that the sand is sperate in two sections, one with sand that is clear and beautiful, while the other is filled with coarse and looks dull

[@nicholas-alexandreau5050]

1. I'm impressed how there are different types of rocks at Hanauma Bay. 2. I like it when the bay was the favorite fishing and picnicking in 1956. 3. I was shocked that there were 2 sand restoration. 4. The view of Hanauma bay look really nice. 5. Interesting about the uhu (Parrot fish).

[@fernchang]

Thank you for the video. 1. Hanauma bay is made of molten ash that settled and hardened during violent explosions 32,000 years ago 2. The ash from the eruption cemented together over time to create tuff cones. Rise in sea levels ocean is the reason for the break in the cone which filled with ocean water which created Hanauma Bay. 3. In 1987, 3,500 cubic yards of sand from Kahuku was imported to Hanauma to restore the beach due to erosion 4. There is a large amounts of debris pollution 5. Basalt rocks are the most common igneous rocks found from Hawaiian Volcanoes

[@Cloudgym_Daiki]

5 things that I learned from this video. 1. Hanauma Bay was a fishing spot in the beginning. 2. At Hanauma Bay, you can see a variety of rocks, including lava. 3. The origin of the sand is not clear. 4.No matter when you go to Hanauma Bay, it is always crowded. 5. Hanauma Bay was created 32,000 years ago.

[@TT-fn7tv]

I'm grateful for the fantastic video. 32,000 years ago, volcanic activity created Hanauma Bay. By the 1970s, Hanauma Bay was one of the most popular parks for picnics and fishing. 3 Because of the negative effects that tourism has on the environment, Hanauma Bay has put strong conservation measures in place to safeguard its fragile ecosystem. 4Hawaiians made weapons out of basalt. 5 The volcanic rock basalt has finer grains and is heavier.

[@maho5952]

Thank you for sharing the video　 5 things that I learned: 1. Hanauma bay was formed by volcanic activity 32,000 years ago 2. The sand is composed of basalt, coral, and olivine. 3. Lava, basalt, coral, and other rock formations can be seen at Hanauma bay. 4. Basalt was used as a weapon by Hawaiians 5. Hanauma bay is made mostly of tuff

[@emmac_21]

Emma Chun (ERTH 103) Thank you for the video! 1. Hanauma Bay was made out of hardened molten ash from violent explosions many years ago 2. The sand on Hanauma Bay is made out of fine shells and coral that eroded over time. 3. Hanauma bay was a very popular fishing spot for Hawaiians to get food 4. Basalt rock was used as tools by Native Hawaiians because of its sturdiness 5. Hanauma Bay is now protected by environmentalists to maintain and conserve the ecosystem.

[@jasminegrossi9942]

1. This video contained a lot of really great information. 2. I really liked the images and layout of the presentation. 3. I've lived on 'Oahu my whole life, but have never been to Hanauma Bay. Since I'm not one to really go out. 4. I think it's pretty sad that they needed to get sand from kahuku, in order to restore Hanama Bay 5. The voice of the presenter was really clear, and everything was straight to the point.

[@AmandaH-tt4be]

Very informative! 1. Hanauma Bay was created 32,000 years ago. 2. The Bay is made up of many different types rock. 3. 1956, the city/county allowed the telephone company to place a 200 ft. Strip of underground telephone cable. This ran through the middle of the reef. 3. Hanauma Bay has had a couple restoration projects where sand was imported due to beach erosion. 4. Koko Crater sits behind the bay. 5. Great place to snorkel. Several different Parrotfish can be seen here.