Seafloor cores record underwater avalanches of mud and sand, known as turbidity currents, as stacked layers called turbidites ...
The U.S. Geological Survey (USGS) reports a 4.0 undersea earthquake about 250 miles west of Newport Tuesday afternoon, April 7. There have been no reports of injuries or damage, according to the USGS.
New seismic imaging reveals the Juan de Fuca plate beneath northern Oregon is about 5 kilometers shallower than previously thought, potentially increasing peak ground shaking from a future Cascadia ...
PORTLAND, Ore. (KOIN) – The Cascadia Subduction Zone is “unusually quiet,” for a megathrust fault, making it more difficult for scientists to understand its behavior and structure. With help from ...
A new look at the Juan de Fuca tectonic plate beneath the coast of northern Oregon suggests this subducting slab is shallower than previously thought, with impacts on potential peak ground shaking ...
If there is a magnitude 8 or 9 megathrust earthquake off the coast of the Pacific Northwest, data from ocean bottom seismometers (OBS) could improve earthquake detection times calculated by the ...
Northern Japan experienced a 7.7 magnitude earthquake on Monday, April 20, and the Japan Meteorological Agency swiftly issued tsunami advisories. But federal authorities say there is no risk to the ...
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