Latest Megathrust earthquakes Stories
New research finds that a deadly tsunami that hit several South Pacific islands last year was spawned by two monstrous earthquakes.
Although California gets most of the attention when it comes to earthquakes, especially with the 100th anniversary of the Great San Francisco Earthquake on April 18, 1906, Alaska is America's true seismic hotspot.
The magnitude 9.2 earthquake that triggered a devastating tsunami in the Indian Ocean in December of 2004 originated just off the coast of northern Sumatra, but an "energy pulse" â€“ an area where slip on the fault was much greater â€“ created the largest waves, some 100 miles from the epicenter.
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