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Homes Destroyed by 2011 Earthquake and Tsunami in Miyagi prefecture, Japan

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Earthquake in the Heartland
Earthquake in the Heartland
Video Clip (2:31)

Mega Disasters takes a look at how bad the ripple effect could be if an earthquake were to happen in Memphis, TN. If the seismic pressure were severe, states across the country could be in turmoil.

Video Clip (2:31)
Mega Disasters: San Francisco Earthquake
Mega Disasters: San Francisco Earthquake
Video Clip (2:15)

Multiple fault lines that run through California put San Francisco at risk for a catastrophic earthquake.

Video Clip (2:15)
Science of Earthquakes
Science of Earthquakes
Video Clip (2:32)

Over a million earthquakes occur every year, but most happen in remote areas and on the ocean floor. Find out what causes earthquakes, and how they are monitored. With Dr. Maya Tolstoy of the Lamont-Doherty Earth Observatory, Columbia University.

Video Clip (2:32)
Mega Disasters: California Katrina
Mega Disasters: California Katrina
Video Clip (2:42)

If snow from the Sierra Mountain peaks were to melt a surge of water could engulf California.

Video Clip (2:42)
Mega Disasters: West Coast Tsunami
Mega Disasters: West Coast Tsunami
Video Clip (2:43)

An earthquake 60 miles off the northern Pacific coastline in the Cascadia Subduction Zone could send tsunami waves hurtling inland.

Video Clip (2:43)