Graphite is known to be a low-friction material, and rocks rich in graphite are often found in fault zones. Oohashi et al. conducted laboratory studies to determine how much graphite is needed to reduce the frictional strength ...
Earth Sciences
May 7, 2013
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With the successful retrieval of a string of instruments from deep beneath the seafloor, an international team of scientists has completed an unprecedented series of operations to obtain crucial temperature measurements of ...
Earth Sciences
May 1, 2013
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(Phys.org) —Northern Chile's Atacama Desert is an earthquake scientist's dream – the hyper-arid plain keeps a visible record of cracks caused by a million year's worth of earthquakes.
Earth Sciences
Apr 30, 2013
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The entire world becomes an aftershock zone after a massive magnitude (M) 7 or larger earthquake—but what hazard does this pose around the planet? Researchers are working to extend their earthquake risk estimates over a ...
Earth Sciences
Apr 19, 2013
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Salt Lake Valley, home to the Salt Lake City segment of the Wasatch fault zone and the West Valley fault zone, has been the site of repeated surface-faulting earthquakes (of about magnitude 6.5 to 7). New research trenches ...
Earth Sciences
Apr 17, 2013
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More than a quarter of a million Californians live in coastal areas which could be hit by devastating floods from a major tsunami in the quake-prone US state, a new study says.
Earth Sciences
Mar 26, 2013
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The 11 March 2011 Tohoku-Oki earthquake (Mw9.0) produced the largest slip ever recorded in an earthquake, over 50 meters. Such huge fault movement on the shallow portion of the megathrust boundary came as a surprise to seismologists ...
Earth Sciences
Feb 7, 2013
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(Phys.org)—Hidden beneath ocean waves and masked by sand and mud on the seafloor, underwater faults are notoriously difficult to see and even more difficult to study. As a result, geologists struggle to evaluate the risks ...
Earth Sciences
Jan 31, 2013
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The October GSA Today science paper introduces the "Active Tectonics of the Andes Database," which will provide more data to more geoscientists.
Earth Sciences
Sep 28, 2012
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Today the drilling starts for a seismic monitoring network on the Marmara Sea near Istanbul. Specially designed seismic sensors in eight boreholes on the outskirts of Istanbul and around the eastern Marmara Sea will monitor ...
Earth Sciences
Sep 7, 2012
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