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

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

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 ...

What lies beneath Fickle Hill in northern California? Maybe the answer to an earthquake mystery that has puzzled ...

Two earthquakes struck different parts of Northern California early Thursday morning, 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. The first, a 4.0-magnitude quake, hit at 5:48 a.m. about 5 miles ...

A powerful earthquake with a preliminary magnitude of 7.0 struck off the coast of Northern California late Thursday morning local time, according to the US Geological Survey.

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.

A Devils Hole pupfish photographed in its only habitat in Death Valley in 2017. (Mel Melcon / Los Angeles Times) Powerful earthquakes like the one felt last week across Northern California are stark ...

California is bisected by the San Andreas Fault, the boundary between the Pacific and North American tectonic plates, which is prone to earthquakes. The 750 mile fault's northern end terminates ...