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Alvin, a human occupied vehicle (HOV), returns to the ship after a dive.
Photo

Alvin, Gulf of Alaska Seamount Expedition

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Intense volcanic CO2 vents in Ili Ili Bua Bua, Normanby Island, Papua New Guinea.
Slideshow

Will Coral Reefs Survive Acidification?

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A map of the Mid Ocean Ridge
Article

Making a Mark on the Ocean Floor

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Colorful corals and brittlestars on Manning Seamount off the New England coast.
Article

Seamounts: Underwater Oases

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

Seamounts, A Deep-Sea Habitat

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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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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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A multi-colored map of the mid-Atlantic ride made from satellite imagery.
Article

How the Ocean Floor Helped Seal the Deal for Plate Tectonics

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An image from a drone of Majuro island
Article

Mapping Out What’s Next for the Marshall Islands

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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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It is estimated that the March 11, 2011 earthquake in Japan was 1,000 times more powerful than the quake that struck Haiti in 2010. Watch as Smithsonian geologist Dr. Liz Cottrell explains this and more about the major earthquake and tsunami in Japan.
Video

Understanding the Japan Earthquake and Tsunami

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a colored shakemap from the M5.8 Virginia Earthquake depicts the shake range and epicenter of the earthquake
Article

A Guide to Earthquake Lesson Plans

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