Since Thursday, at least 131 earthquakes have been recorded — as small as magnitude 0.2 and as big as magnitude 4 — in the ...

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia ...

More than 100 small earthquakes have been recorded near the Geysers geothermal field in Northern California since just after ...

Two earthquakes struck different parts of Northern California early Thursday morning, according to the U.S. Geological Survey ...

Southern Washington, northern Oregon, and northern California are the regions which are most vulnerable to flooding from a ...

An earthquake with a preliminary magnitude of 5.7 struck 17 miles west of Petrolia in Northern California on Wednesday.

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data ...

A preliminary-magnitude 5.7 earthquake struck off the coast of Northern California on Friday afternoon, but there was no threat of a tsunami, officials said.