Earthquakes are labeled "shallow" if they occur at less than 50 kilometers depth. They are labeled "deep" if they occur at 300-700 kilometers depth. When slippage occurs during these earthquakes, the faults weaken. How this ...
Earth Sciences
May 18, 2015
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Our world may seem fragile, but Earth has been around for a very long time. If we ventured far back into the past, would we reach a time when it looked fundamentally different?
Earth Sciences
Mar 12, 2024
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105
A new study from a University of Chicago scientist suggests there may be a layer of surprisingly fluid rock ringing the Earth, at the very bottom of the upper mantle.
Earth Sciences
Feb 22, 2023
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122
Earthquakes of similar magnitude can cause tsunamis of greatly varying sizes. This commonly observed, but not well-understood phenomenon has hindered reliable warnings of local tsunamis.
Earth Sciences
Dec 17, 2021
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An international team led by scientists at GFZ Helmholtz Centre Potsdam, in collaboration with colleagues by Spanish, Italian and US institutions, is publishing a new scientific work on induced seismicity in Europe in ...
Earth Sciences
Aug 11, 2021
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727
An unusually shallow earthquake triggered by hydraulic fracturing in a Chinese shale gas field could change how experts view the risks of fracking for faults that lie very near the Earth's surface.
Earth Sciences
Oct 7, 2020
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368
New research from the Australian National University (ANU) has shown that Australia is prone to shallow and potentially destructive earthquakes.
Earth Sciences
Jul 27, 2020
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143
Researchers have known for decades that deep earthquakes—those deeper than 60 kilometers, or about 37 miles below the Earth's surface—radiate seismic energy differently than those that originate closer to the surface. ...
Earth Sciences
Jul 30, 2018
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89
Where a tectonic plate dives under another, in the so-called subduction zones at ocean margins, many strong earthquakes occur. Especially the earthquakes at shallow depths often cause tsunamis. How exactly are such earthquakes ...
Earth Sciences
Aug 1, 2016
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483
The Noto Peninsula earthquake that occurred on January 1 brought the challenges of earthquake-prone Japan back into sharp focus. With a magnitude of 7.6, surpassing the 1995 Kobe earthquake (Great Hanshin-Awaji earthquake), ...
Environment
Mar 21, 2024
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