A 4.0 earthquake hit near Ontario, CA, felt across the region with minor aftershocks; no significant damage reported.

Earthquakes are becoming a far more common occurrence in Texas. There are numerous low-magnitude quakes reported across West ...

The U.S. Geological Survey is closely monitoring Mount Adams after a notable increase in seismic activity was recorded in ...

The Pacific Northwest got some early shakes Thursday morning with a 4.0 magnitude earthquake in the waters between San Juan ...

Scientists are installing multiple temporary seismic monitoring stations to get a better understanding of the sharp increase ...

The quakes were at the western edge of the McGee Ranch of the Hanford Reach National Monument, according to the Pacific ...

Six low-intensity earthquakes rumbled beneath Mount Adams during September, according to the U.S. Geological Survey Cascades ...

Seismic activity at Mount Adams – known as Washington’s forgotten mountain -- picked up in September, getting the attention ...

TRI-CITIES, Wash. - Mount Adams, the largest active volcano in Washington State, recently experienced an unusual increase in ...

Mount Adams, about 70 miles north of Portland, is one of the sleepiest active volcanoes in the Cascade Range. A small earthquake every few years is typical. But it’s shaken up expectations recently — ...

An earthquake of magnitude 4.4 on the Richter scale was recorded in the desert of the Iranian province of Semnan on October 5 ...

The agency says, "there is no indication that the level of earthquake activity is cause for concern," but more monitoring will help geologists understand the full extent of activity at the site.