How the Japan Quake Triggered Aftershocks

How the Japan Quake Triggered Aftershocks

November 19, 2012

A 7.1-magnitude earthquake struck off the coast of Japan today (April 7) just 21 miles (34 km) from the epicenter of the massive 9.0 one that struck on March 11. Aftershocks are caused by stress changes in the faults near a large earthquake. “When an earthquake happens, it changes the stress in the vicinity around […]

The January 18 Blackout

The January 18 Blackout

May 31, 2012

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