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Alvin, a human occupied vehicle (HOV), returns to the ship after a dive.
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Alvin, Gulf of Alaska Seamount Expedition

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A dredge from the U.S. Army Corps of Engineers can be seen removing a sandbar off of Virginia Beach, VA.
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Dredging Sand

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A multi-colored map of the mid-Atlantic ride made from satellite imagery.
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How the Ocean Floor Helped Seal the Deal for Plate Tectonics

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A close up of a sediment core.
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Sediment Core Close-Up

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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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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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An aerial view of the Hawaii's shore with lava flowing into the ocean from Kilauea volcano.
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Island Ecosystem Transformation via Lava

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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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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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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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