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Sonar Mapping
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Pacific Remote Islands MNM
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Update
After four dives in the southeastern segment of the Johnston Atoll Unit of PRIMNM, we are mapping our way west onto a recently mapped steep ridge with unique collapse features for our next dive. Check out our latest highlights and join us at midnight HT for more live dives and commentary. 7 hours 38 minutes ago

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Deep Seamount Biodiversity of Johnston Atoll

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Johnston Atoll, one of the most isolated atolls in the world, is located in the central Pacific Ocean, between the Hawaiian Islands, the Line Islands, and the nation of Kiribati. Around this atoll, the Pacific Remote Island Marine National Monument (PRIMNM) was expanded in 2014 to protect the full 200 nautical mile perimeter of the exclusive economic zone (EEZ) encompassing many unexplored seafloor features.
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