Seismologists agree that foreshocks are the most widely identified signal of an upcoming mainshock earthquake. But do these foreshock sequences have distinctive characteristics that separate them from aftershock sequences, ...
Earth Sciences
Jun 28, 2023
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Shock waves occur in air when a plane travels faster than the speed of sound and also occur in plasma (a fourth state of matter that makes up 99% of the visible universe) in space. Shock waves are believed to accelerate particles ...
Astronomy
Dec 19, 2022
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76
On the morning of July 4, 2019, a series of very small earthquakes began to rumble in the Mojave Desert, not far from the southern California town of Ridgecrest.
Earth Sciences
Jun 22, 2021
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211
Data from ESA's Cluster mission has provided a recording of the eerie "song" that Earth sings when it is hit by a solar storm.
Space Exploration
Nov 19, 2019
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The vast majority of earthquakes we feel come soon after smaller ones, according to new research that offers new insights into how seismology works.
Earth Sciences
Aug 20, 2019
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329
New research mining data from a catalog of more than 1.8 million southern California earthquakes found that nearly three-fourths of the time, foreshocks signalled a quake's readiness to strike from days to weeks before the ...
Earth Sciences
Jul 31, 2019
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190
In early September 2018, a powerful earthquake on the island of Hokkaido in northern Japan triggered landslides, toppled buildings, cut power, halted industry, killed more than 40 people and injured hundreds. The national ...
Earth Sciences
Sep 24, 2018
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51
No one can predict when or where an earthquake will strike, but in 2011 scientists thought they had evidence that tiny underground tremors called foreshocks could provide important clues. If true, it suggested seismologists ...
Earth Sciences
Jun 4, 2018
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A University of Oklahoma geophysics professor, Xiaowei Chen, details the foreshock activities leading up to the Pawnee earthquake, and highlights the complicated relationship between seismicity and wastewater injection rates ...
Earth Sciences
Jul 12, 2017
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70
The earthquake disaster on 11 March 2011 was an event of the century not only for Japan. With a magnitude of Mw = 8.9, it was one of the strongest earthquakes ever recorded worldwide. Particularly interesting is that here, ...
Earth Sciences
Mar 16, 2011
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