A new study from Caltech finds that so-called "slow slip" or "silent" earthquakes behave more like regular earthquakes than previously thought. The discovery opens the door for geoscientists to use these frequent and nondestructive ...
Earth Sciences
Oct 23, 2019
1
419
With sunlight sparkling off surrounding Yaquina Bay, workers are putting up an ocean-studies building, smack in the middle of an area expected to one day be hit by a tsunami.
Environment
Aug 16, 2019
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8
Using ground motions generated for a range of simulated magnitude 9 earthquakes in the Pacific Northwest, researchers are testing how well reinforced concrete walls might stand up under such seismic events.
Earth Sciences
Apr 24, 2019
0
8
Off the coast of Washington, columns of bubbles rise from the seafloor, as if evidence of a sleeping dragon lying below. But these bubbles are methane that is squeezed out of sediment and rises up through the water. The locations ...
Earth Sciences
Mar 21, 2019
0
702
Hourly water level records collected from tide gauges can be used to measure land uplift caused by episodic tremor and slip of slow earthquakes in the Cascadia Subduction Zone, according to a new report in the Bulletin of ...
Earth Sciences
Feb 15, 2019
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90
Big earthquakes appear to follow a brief episode of "shallow mantle creep" and "seismic swarms," suggests new research at Oregon State University that offers an explanation for the foreshocks observed prior to large temblors.
Earth Sciences
Jan 22, 2019
0
294
The earthquakes are so small and deep that someone standing in Seattle would never feel them. In fact, until the early 2000s, nobody knew they happened at all. Now, scientists at Rice University have unearthed details about ...
Earth Sciences
Oct 25, 2018
2
181
Last September's magnitude 8.2 Tehuantepec earthquake happened deep, rupturing both mantle and crust, on the landward side of major subduction zone in the Pacific Ocean off Mexico's far south coast.
Earth Sciences
Oct 25, 2018
0
195
A Canadian fault scientists thought was inactive may actually be capable of producing large-magnitude earthquakes, a new study finds. The results suggest residents of British Columbia on Canada's west coast have a higher ...
Earth Sciences
Oct 23, 2018
0
5
With four years of data from 268 seismometers on the ocean floor and several hundred on land, researchers have found anomalies in the upper mantle below both ends of the Cascadia Subduction Zone. They may influence the location, ...
Earth Sciences
Jul 25, 2018
0
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