The earthquake was centered near Petrolia at a depth of 2.6 kilometers (about 1.6 miles). The USGS said it received zero ...

A SpaceX spacecraft has caused a sonic boom over California as it returned to Earth's atmosphere, and some on social media ...

Earthquakes create ripple effects in Earth's upper atmosphere that can disrupt satellite communications and navigation ...

A small earthquake shook parts of San Diego County Wednesday, but there were no reports of damage or injuries.

SAN FRANCISCO – An earthquake shook parts of the San Francisco Bay Area early Monday morning. According to the U.S.

Coastal communities from northern California to British Columbia live atop the Cascadia Subduction Zone, which spans about ...

The United States has dealt with a flurry of earthquakes this month, raising concerns about "The Big One." Last week, the ...

A minor, 3.8-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.

A 1.6 magnitude earthquake was reported on New Hampshire's Seacoast Sunday, according to the USGS. The earthquake epicenter ...

An earthquake occurred 70 miles south of the Gulf Coast Friday afternoon, according to the U.S. Geological Survey. The quake ...

California has dozens of earthquakes every day. Most are below 3.0 magnitude, so small that they aren’t felt.