It has only been in recent decades that earthquake scientists have understood how smaller faults in California join together to create a more powerful earthquake.

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

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

It was the largest earthquake since 2011's magnitude 9 Tohoku earthquake ... The tsunami rocked Crescent City, California. No one died, but in Hawaii, property damage was estimated at up to $1 million ...

A magnitude 8.8 monster off the eastern coast of Russia threatened tens of millions of people with a tsunami risk. So why did Tuesday's mega-quake cause so little harm?

And the 1952 earthquake, a 7.3-magnitude quake that hit Kern County, was the third largest earthquake in recorded California history.

And the 1952 earthquake, a 7.3-magnitude quake that hit Kern County, was the third largest earthquake in recorded California history.

Southern California was hit by a 7.1 magnitude earthquake Friday night, the strongest in the state in two decades. The quake hit near Ridgecrest. Here is a list of the biggest earthquakes in CA ...

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active region home to the world's largest geothermal field.

Southern California was hit by a 7.1 magnitude earthquake Friday night, the strongest in the state in two decades. The quake hit near Ridgecrest. Here is a list of the biggest earthquakes in CA ...