The earth is shaken daily by strong earthquakes recorded by a number of seismic stations worldwide. Tectonic tremor, however, is a new type of seismic signal that seismologist started studying only within the last few years. ...
Earth Sciences
Jul 5, 2012
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Recent paleoseismic work has documented four surface-rupturing earthquakes that occurred across the Santa Cruz Mountains section of the San Andreas Fault (SAF) in the past 500 years. The research, conducted by the U.S. Geological ...
Earth Sciences
May 30, 2012
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(AP) -- The massive earthquake off Indonesia surprised scientists: Usually this type of jolt isn't this powerful.
Earth Sciences
Apr 11, 2012
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The San Jacinto Fault (SJF) Zone is a seismically active, major component of the overall southern San Andreas Fault system. Researchers from San Diego State University (SDSU) and U.S. Geological Survey have mapped evidence ...
Earth Sciences
Mar 29, 2012
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Geophysicists from Potsdam (Germany) have established a mode of action that can explain the irregular distribution of strong earthquakes at the San Andreas Fault in California. As the science magazine Nature reports in its ...
Earth Sciences
Nov 30, 2011
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The November GSA Today science article, "Why did the Southern Gulf of California rupture so rapidly? -- Oblique divergence across hot, weak lithosphere along a tectonically active margin," is now online.
Earth Sciences
Nov 3, 2011
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Most earthquakes that are seen, heard, and felt around the world are caused by fast slip on faults. While the earthquake rupture itself can travel on a fault as fast as the speed of sound or better, the fault surfaces behind ...
Earth Sciences
Oct 13, 2011
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"What do I remember about an earthquake? I was in the 7th grade. All of a sudden the floor just started shaking. Desks were falling over. Kids were falling on the ground. It was so scary. It happened so quickly!"
Earth Sciences
Aug 30, 2011
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Researchers believe Colorado River damming projects that followed the creation of the Salton Sea could be one reason why Southern California is overdue for a major earthquake.
Earth Sciences
Jul 10, 2011
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(PhysOrg.com) -- In a bit of coincidental news, no sooner had earthquake scientists posted warnings about the instability of the southern part of the San Andreas Fault hidden beneath the Salton Sea, than an earthquake struck; ...
