August 10, 2017
Earthquakes make volcanoes more — and less — gassy
Triggering of volcanic emissions by earthquakes has been observed since antiquity. The Roman naturalist and philosopher Pliny the Elder proposed …
The EARTH archive
Seismic
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6 articles · Page 1 of 1
October 6, 2014
Seismic friction causes fault iridescence
Although iridescent spots on rocks in Utah’s Wasatch Fault Zone were first recognized two decades ago, scientists haven’t understood their …
January 5, 2012
Japan's megaquake and killer tsunami: How did this happen?
On March 11, 2011, at 2:46 p.m. local time, a magnitude-9.0 earthquake ruptured a 500-kilometer-long fault zone off the northeast coast of Japan. …
January 5, 2012
Glacier moves in fits and starts
The Whillans Ice Stream — an Antarctic glacier that covers an area slightly smaller than the state of New Jersey — flows from the interior of the …
January 5, 2012
Don't forget about the Christchurch earthquake: Lessons learned from disaster
In the aftermath of the devastating magnitude-9.0 earthquake and tsunami that struck the Tohoku region of Japan on March 11, attention quickly …
January 5, 2012
Creeping faults warn of impending earthquakes?
Earthquakes strike out of nowhere — one minute everything is perfectly calm, and the next minute, the ground shakes violently and buildings …