The U.S. Geological Survey recorded a magnitude 2.9 earthquake southwest of Atascadero Monday afternoon. According to the U.S ...

Portola Valley, which has a population of less than 4,500 people, is nestled on the eastern slopes of the Santa Cruz ...

The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it ...

The U.S. Geological Survey (USGS) reports a 2.9 magnitude earthquake struck southwest of Atascadero on Monday afternoon. The ...

Lawrence Livermore National Laboratory could ‘revolutionize’ earthquake monitoring and provide researchers the ability to ...