New research on oxygen and iron chemistry under the extreme conditions found deep inside the Earth could explain a longstanding seismic mystery called ultralow velocity zones. Published in Nature, the findings could have ...
Earth Sciences
Nov 22, 2017
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Certain oil and gas operations that involve injecting wastewater underground can cause earthquakes, but the risk from hydraulic fracturing is generally low, said a US scientific report Friday.
Environment
Jun 15, 2012
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(Phys.org) —On March 11, 2011, a magnitude 9.0 undersea earthquake occurred 43 miles off the shore of Japan. The earthquake generated an unexpectedly massive tsunami that washed over eastern Japan roughly 30 minutes later, ...
Earth Sciences
Jun 5, 2013
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A UT Arlington researcher is developing a comprehensive, reliability-based framework to analyze North Texas dams and detect damage from seismic activity.
Engineering
Oct 3, 2015
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(PhysOrg.com) -- For most of a decade, scientists have documented unfelt and slow-moving seismic events, called episodic tremor and slip, showing up in regular cycles under the Olympic Peninsula of Washington state and Vancouver ...
Earth Sciences
Dec 15, 2009
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Nearly two dozen countries next Wednesday will take part in a full-scale test of the Indian Ocean's tsunami alert system, using the 2004 Sumatra quake as the basis for the exercise, UNESCO said on Thursday.
Earth Sciences
Oct 6, 2011
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When a damaging earthquake struck the area of L'Aquila in central Italy in 2009, it was the latest in the region's long history of strong and persistent quakes. The rich recorded history of settlement in the area, along with ...
Earth Sciences
Aug 3, 2012
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IBM inventors have developed a patented natural disaster warning system, which uses analytics to improve the effectiveness and timeliness of post-event rescue efforts in cities and other locations where efficient emergency ...
Hi Tech & Innovation
Oct 22, 2010
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(Phys.org)—A team of researchers, two from Tohoku University in Japan and two from the University of California in the U.S., has found evidence that suggests that a speedup in small underground deformations may occur prior ...
(Phys.org) —New Zealand's geologic hazards agency reported this week an ongoing, "silent" earthquake that began in January is still going strong. Though it is releasing the energy equivalent of a 7.0 earthquake, New Zealanders ...
Earth Sciences
Jun 3, 2013
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