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 ...

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The ...

More than 100 small earthquakes have been recorded near the Geysers geothermal field in Northern California since just after midnight Thursday, according to the U.S. Geological Survey.

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 ...

CWU Geological Sciences Professor Walter Szeliga received some well-deserved attention for his unique approach to detecting ...

UPPER LAKE, Calif. (KABC) -- A 5.1-magnitude earthquake struck north of the Bay Area on Tuesday, according to the United States Geological Survey. The earthquake struck near Upper Lake, California ...

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