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A diagram of the different soil layers located at Hare Harbor, Quebec in 2008. Wood chips were located at the deepest layer, then whale bone, then codfish bones.
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Underwater Archaeological Stratigraphy

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Black coral, primnoid coral, and feather stars flourish deep on the pristine Davidson Seamount.
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Diverse Deep-Sea Coral Community

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3-D map of Chapman’s Reef. Produced in 2005 with multibeam sonar from an autonomous underwater vehicle (AUV).
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Deep-Sea Coral Reef Map

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Chart of magnitude 5 or greater earthquakes from 1970- April 2011
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Graph of magnitude 5 or greater earthquakes from 1970- April 2011

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Graph of magnitude 5 or greater earthquakes from 1900- April 2011.
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Graph of magnitude 5 or greater earthquakes from 1900- April 2011

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An archaeologist arranges a deep-sea core.
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Sediment Cores

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Geophysicist Jian Lin of Woods Hole Oceanographic Institution studied the earthquake site that triggered 2004’s Indian Ocean tsunami. New tools to map seafloor earthquakes—like this robotic Autonomous Benthic Explorer—enhance our understanding of catastrophic events, such as the tsunami.
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Seafloor Earthquakes Study

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This Japanese research ship drills into the ocean floor to learn about Earth’s history and structure.
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Deep Sea Drilling Vessel Chikyu

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The New England Seamount Chain is the longest in the North Atlantic Ocean and includes peaks of more than 30 extinct volcanoes.
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Map of New England Seamount Chain

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A white coral (Corallium sp.) and two vase sponges (left) grow on an Atlantic Ocean seamount.
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Balanus Seamount

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A variety of corals cling to Manning Seamount, just off the coast of Cape Cod, Massachusetts.
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Manning Seamount Deep Coral Community

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Two new species of sea stars were discovered in the deep sea: Paulasterias tyleri (on the left) in a North Pacific hydrothermal vent community, and Paulasterias mcclaini (on the right) in the deep sea off the coast of Antarctica.
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The Discovery of Two Extreme Sea Stars

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