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

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?

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

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

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.

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

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

This earthquake was the largest ever recorded in Japan, and cost an estimated $309 billion in damage. For weeks afterward, strong aftershocks above magnitude 6.0, and even 7.0, continued to rock the ...