IMAGE: A map of the earthquakes triggered around the globe within a week of the April 2012 earthquake off the coast of Sumatra (white star). This year’s largest earthquake, a magnitude 8.6 temblor on ...

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PORTLAND, Ore. (KOIN) — Geologists are continuing to monitor Mount Rainier in Washington state days after the first earthquake swarm in more than 15 years, with this year’s earthquake swarm event more ...

Seismologists debate whether it’s possible to recognize when small earthquakes are really foreshocks preceding a stronger event. Now a team from Italy and Germany has re-analysed the seismic activity ...

Scientists studying the massive earthquake that struck the South Pacific on September 29, 2009, have found that it actually involved two great earthquakes: an initial one with magnitude 8.1, which ...

This year's largest earthquake, a magnitude 8.6 temblor on April 11 centered in the East Indian Ocean off Sumatra, did little damage, but it triggered quakes around the world for at least a week, ...