At Mount St. Helens, volcano monitoring and trail maintenance efforts are set to degrade without help from federal agencies.

An earthquake of magnitude 4.0 has shaken an area in the Mendocino National Forest. The quake, which hit at 7:13 p.m., was centered in 14 miles northeast of Pottery Valley, according to preliminary ...

The coastline here is as beautiful as it is battered, in a region that has traditionally seen few tourists. But that’s ...

The earthquake struck at 7.46 p.m. PT about three miles northwest of Dublin, California, at a depth of seven miles, according ...

A minor, 3.9-magnitude earthquake struck in the San Francisco Bay Area on Monday, according to the United States Geological ...

A 3.9 magnitude earthquake was recorded in Malibu, California, on Sunday evening, according to the U.S. Geological Survey.

A 3.9 magnitude earthquake struck the Malibu area on Sunday night, affecting thousands of residents. The earthquake hit at 8.17 p.m. PT, around eight miles from Westlake Village and nine miles from ...

Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process ...

People living in Naples were shaken awake early on Thursday morning after a 4.4 magnitude earthquake struck the southern Italian city - its strongest in 40 years. Some residents left their homes ...

Naples has been rocked by one of the worst earthquakes in the region for 40 years, with residents forced to sleep on streets in the Italian city. A “huge roar” preceded the tremors in the ...

No damages or injuries have been reported following the two earthquakes. Alamo sits on the Calaveras Fault, which is a branch of the San Andreas. The Calaveras Fault extends from south of ...