Three-dimensional fault models are generally more accurate than two-dimensional line models at sending ground shaking alerts to the correct areas as part of an earthquake early warning system, according to a new study.
Earth Sciences
Dec 3, 2021
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51
Boston College seismologist John Ebel and his colleagues have noted a pattern for some large California earthquakes: magnitude 4 or larger earthquakes occur at a higher rate along a fault in the two decades or more prior ...
Earth Sciences
Apr 19, 2021
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13
(Phys.org) —Seismologists from Columbia University in New York have developed a way to detect landslides using a combination of seismic data and data collected from satellite images. The technique can be used, the team ...
Most earthquakes in the Barnett Shale region of north Texas occur within a few miles of one or more injection wells used to dispose of wastes associated with petroleum production such as hydraulic fracturing fluids, according ...
Earth Sciences
Aug 6, 2012
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The 11 March 2011 Tohoku-Oki earthquake was the largest and most destructive in the history of Japan. Japanese researchers—and their Norwegian partners—are hard at work trying to understand just what made it so devastating.
Earth Sciences
Mar 2, 2017
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24
Colombia sits atop a complex geological area where three tectonic plates are interacting, producing seismicity patterns that have puzzled seismologists for years. Now seismologists have identified the "Caldas tear," which ...
Earth Sciences
Jun 6, 2013
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2
(PhysOrg.com) -- The most powerful earthquakes happen at the junction of two converging tectonic plates, where one plate is sliding (or subducting) beneath the other. Now a team of researchers, led by Teh-Ru Alex Song of ...
Earth Sciences
Apr 23, 2009
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0
University of Oklahoma Mewbourne College of Earth and Energy assistant professor Xiaowei Chen and a group of geoscientists from Arizona State University and the University of California, Berkeley, have created a model to ...
Earth Sciences
Nov 7, 2019
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150
(PhysOrg.com) -- Using satellite radar data, NASA-funded scientists, including UC Riverside’s Gareth Funning, have observed for the first time the healing of subtle, natural surface scars from an earthquake in Iran that ...
Earth Sciences
Mar 5, 2009
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For submarine earthquakes that can generate tsunamis, the warning time for nearby coastal areas is very short. Using high-precision analysis of GPS data from the Fukushima earthquake of 11 March 2011, scientists at the German ...
Earth Sciences
Apr 25, 2012
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