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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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Geologist Charles Paull (Monterey Bay Aquarium Research Institute) investigates geologic features similar to pingos on the Arctic Ocean floor where methane bubbles through sediments and forms hundreds of low hills. On land, a pingo is a place where permafrost bulges beneath a dried lake bed like this one in northern Canada.
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Ocean “Pingos”

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The deepest point on earth is the Mariana Trench.
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Mariana Trench

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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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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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The High Coast in Sweden and the Kvarken Archipelago in Finland were inscribed on the World Heritage List in 2000. The High Coast and the 5,600 islands of the archipelago have been shaped by the combined processes of glaciation, glacial retreat, and the em
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High Coast / Kvarken Archipelago, Sweden & Finland

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a colored shakemap from the M5.8 Virginia Earthquake depicts the shake range and epicenter of the earthquake
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Map of the Magnitude 5.8 Virginia Earthquake of 2011

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10 grains of star shaped sand collected from southern Japan
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Star Sand Grains Collected from Southern Japan

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a colored shakemap from the M5.8 Virginia Earthquake depicts the shake range and epicenter of the earthquake
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A Guide to Earthquake Lesson Plans

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Red and white riftia worms living in a deep-sea vent.
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Riftia Worms: One Species at a Time

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