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

A preliminary 2.6 magnitude quake was detected near Petrolia Thursday afternoon, according to the U.S. Geological Survey.

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

The US Geological Survey (USGS) recorded a powerful earthquake on Thursday, which was felt throughout a major US city home to ...

NEW YORK, October 30. /TASS/. An earthquake of magnitude 5.4 was registered off the coast of the American state of Alaska, the US Geological Survey said. The epicenter was located 177 km north of the ...

A 3.0 magnitude earthquake shook parts of northeast San Diego County shortly after 8 p.m. on Wednesday, according to the U.S.

Explore the impact of USGS cuts on water monitoring and the potential loss of vital contaminant data for millions.

A preliminary 2.6-magnitude earthquake jolted the East Bay overnight Thursday, according to the U.S. Geological Survey. The epicenter was in Concord along the Concord Fault. The ...

A magnitude 3.0 earthquake struck 6 miles north of Borrego Springs at 8:14 p.m. Wednesday evening, according to the U.S.

Two earthquakes — a magnitude 5.4 followed by a magnitude 4.8 — struck off the Oregon coast early Wednesday morning, ...

RUSSELL & DICKINSON COUNTIES - A series of small earthquakes were reported have occurred in Russell and Dickinson counties ...