faults
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Earth
How many faults are there? Earthquake investigations revealed that fault zones are not a single chain, but rather a vast network.
Credit: Pixabay/CC0 Public Domain At the American Society of Seismic Society’s annual meeting, researchers raised a seemingly simple question: how many faults are there? Using data compiled from a single earthquake around the world, Christilow of the Nevada Earthquake Research Institute at the University of Nevada, Reno and the U.S. Geological Survey, asked for a more comprehensive response. By compiling…
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Earth
Are splay faults the “gateways” that trigger great continental transform earthquakes?
Credit: CC0 Public Domain The five largest continental transform earthquakes since 2000 have all occurred on tributaries of the main fault, and the two researchers predict that the next big earthquake of this type will also occur on a tributary or branch fault. Last year’s magnitude 7.8 Pazarchik earthquake in Turkey was one of several large, damaging earthquakes caused by…
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