A powerful earthquake off Russia’s east coast triggered tsunami waves across the Pacific, prompting alerts in Hawaii and California.

A magnitude 8.8 monster off the eastern coast of Russia threatened tens of millions of people with a tsunami risk. So why did ...

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.

When earthquakes happen, California's MyShake app detects it and sends an alert to users. It's the nation's first statewide ...

The January wildfires caused an estimated $53 billion in total damage, $40 billion of which were insured losses, and ...

A 4.3-magnitude earthquake shook parts of Southern California, the U.S. Geological Survey reported. The about 3-mile deep ...

A 3.1-magnitude earthquake shook the San Francisco Bay Area in California, the U.S. Geological Survey reported. The nearly ...

The earthquake followed a pair of smaller earthquakes in the Inland Empire. At 8:34 a.m., a 3.0 magnitude earthquake hit ...

A tsunami warning issued for Hawaii after one of the strongest earthquakes ever recorded, an 8.8 magnitude in Russia's Far ...

The California Office of Emergency Services is sending an earthquake simulator across the state on an "Earthquake Safe Spring Break tour." ...