Local emergency agencies say they are monitoring the seismic activity but have not issued any tsunami warnings.

KERN COUNTY, CA - Friday morning, a preliminary 2.3 magnitude quake was recorded near Johannesburg, according to the U.S.

Two earthquakes struck off the Oregon coast on Tuesday, rattling communities along the Pacific Northwest shoreline.

MENDOCINO COUNTY, CA - Thursday night, a preliminary 2.2 magnitude quake was recorded close to Covelo, according to the U.S.

A magnitude 5.6 earthquake shook an area SE of Fox River, Alaska, Thursday morning, according to the National Tsunami Warning ...

Flooding during a Cascadia region earthquake would alter the topography and ecosystems of the coastal region for years to ...

The epicenter of the 2.5 magnitude earthquake was found south and east of Columbia, Maryland, according to the United States ...

YACHATS, Ore. — A 5.4 magnitude earthquake was among two that struck early Wednesday morning off Oregon's coast. According to ...

Millions of Californians are set to "Drop, Cover, and Hold On" on Thursday as part of the annual Great California ShakeOut ...

A preliminary magnitude 3.0 earthquake was recorded north of Borrego Springs Wednesday night, according to USGS.