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.

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?

Tsunami alerts blanketed the West Coast and Alaska after one of the strongest earthquakes in recorded history.

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

Cal OES officials hope people will take the risk seriously and download the MyShake app, which provides an early warning of an earthquake -- crucial seconds that can save lives and prevent injuries.

Long-term global records dating back to 1900 show that the Earth averages about 16 major earthquakes (magnitude 7.0 or greater) each year — typically 15 in the 7.0 range and one magnitude 8.0 or ...

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.

Coastal surges hit California on Wednesday morning after an 8.8-magnitude earthquake, one of the largest ever recorded, prompted tsunami warnings and evacuations on both sides of the Pacific Ocean.

If you’re in Ocean Shores, or if you’re in parts of Westport, the evacuation time is 30 minutes, 60 minutes on foot, to high ground because there just isn’t high ground nearby’ Read Story ...

A recent study confirms that Canada's Tintina fault, stretching across Yukon, is an active seismic hazard, challenging previous assumptions. Scientists warn that the fault is overdue for a major ...