Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

The fault line that ... the North American and Caribbean tectonic plates. Aftershocks can last for months or even years after the main event. The USGS says these mini-earthquakes are caused ...

The recent earthquake near Area 51 has reignited speculation about the base, linked to UFO activity and secret military testing.

The tsunami scare on Saturday raises the question of how much of a risk do tsunamis pose for the Cayman Islands?

The cliff descends into a subsea trough which is visible on google maps ... much larger earthquake of 1956 did not cause any volcanic activity. This is perhaps because the 1956 event was on the ...

A moderately strong, 5.0-magnitude earthquake struck in Texas on Friday, according to the United States Geological Survey.

A minor, 3.5-magnitude earthquake struck in Southern California on Saturday, according to the United States Geological Survey ...

The epicenter for all the quakes was about one mile east of Hayward, in San Francisco’s East Bay, according to the U.S.

A powerful 7.6 magnitude earthquake struck the Caribbean Sea on Saturday, causing tsunami alerts to be raised for a dozen islands, with other Caribbean nations on high alert due to the potential ...