Space-based system can provide seismic monitoring for large earthquakes and tsunamis
Researchers have developed a global earthquake monitoring system that uses the Global Navigational Satellite System (GNSS) to measure crustal deformation.
Researchers have developed a global earthquake monitoring system that uses the Global Navigational Satellite System (GNSS) to measure crustal deformation.
Earth Sciences
May 11, 2021
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In the Cascadia subduction zone, medium and large-sized 'intraslab' earthquakes, which take place at greater than crustal depths within the subducting plate, will likely produce only a few detectable aftershocks, according ...
Earth Sciences
Apr 13, 2021
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Massive earthquakes are, fortunately, rare events. But that scarcity of information blinds us in some ways to their risks, especially when it comes to determining the risk for a specific location or structure.
Earth Sciences
Jan 25, 2021
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A rupture along the full length of the fast-slipping Alpine Fault on New Zealand's South Island poses the largest potential seismic threat to the southern and central parts of the country. But new evidence of a 19th century ...
Earth Sciences
Dec 1, 2020
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A paleoseismic trench dug across the Gales Creek fault, located about 35 kilometers (roughly 22 miles) west of Portland, Oregon, documents evidence for three surface-rupturing earthquakes that took place about 8,800, 4,200 ...
Earth Sciences
Oct 20, 2020
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By comparing two magnitude measurements for seismic events recorded locally, researchers can tell whether the event was a small earthquake or a single-fire buried chemical explosion.
Earth Sciences
Oct 13, 2020
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The depth of a hydraulic fracturing well in Oklahoma, among other factors, increases the probability that fracking will lead to earthquake activity, according to a new report in the Bulletin of the Seismological Society of ...
Earth Sciences
Jul 22, 2020
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A new study suggests that last year's Ridgecrest earthquakes increased the chance of a large earthquake on California's San Andreas fault.
Earth Sciences
Jul 13, 2020
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New research near Uluru in Australia's arid center shows that rock structures formed deep within the ancient Gondwana supercontinent controlled the rupture pathways of one of Australia's largest modern earthquakes.
Earth Sciences
Jun 4, 2020
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Three earthquakes in the Monterey Bay Area, occurring in 1838, 1890 and 1906, happened without a doubt on the San Andreas Fault, according to a new paper by a Portland State University researcher.
Earth Sciences
May 14, 2020
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