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

Map of the Magnitude 5.8 Virginia Earthquake of 2011

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On August 23, 2011 a 5.8 earthquake emanated from the little-known Central Virginia Seismic Zone. The epicenter was near Mineral, VA, but the tremor shook homes, schools, and office buildings in Washington, DC and beyond. In this brief video, Smithsonian e
Video

Demonstrating an Earthquake's Seismic Waves

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Where the pH is the lowest, corals can no longer grow - sand, rubble and seagrasses replace the reef.
Article

Sneak Peek: Future of Coral Reefs in an Acidifying Ocean

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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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Dive through the zones of the ocean to the deep ocean bottom where many strange species live, and there are many yet to be discovered. Explore them in the Deep Ocean Exploration section.
Article

What We DON'T Know About the Deep Sea

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Red and white riftia worms living in a deep-sea vent.
Audio

Riftia Worms: One Species at a Time

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a seafloor littered in potato sized rocks
Article

What Are Polymetallic Nodules?

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