Forecasters issued some of their rarest and most extreme alerts on Wednesday as they warned a powerful storm system would ...

Evacuations were ordered for about 800 homes near the tiny communities of Laws, Chalfant and White Mountain Estates due to ...

Nevada experienced four earthquakes since 8 a.m. ET, with the strongest at 4.0 magnitude near Valmy, 200 miles southwest of ...

The last patches of unusually dry areas — remnants of drought that plagued counties along the Oregon and Nevada borders ... drought maps also reported parts Southern California are in extreme ...

On Monday, a winter storm was bringing heavy snow across the Sierra Nevada mountains and into ... the warning said. A map of California shows where drivers are advised against taking detours ...

One widely used app is MyShake, developed by the Seismological Laboratory at the University of California ... The app notifies users of earthquakes with magnitudes of 4.0 or higher, displays real-time ...

“Approximately 1000 earthquakes occur each year in the region extending from the north end of Vancouver Island to Seattle, Washington U.S. seen on the map below,” Cassidy said. “About a ...

A live map of the latest earthquakes in Orange County and active earthquake faults. The latest available quake and fault data is turned ON by default and the other metadata described below is OFF ...

Two separate earthquakes were reported near the San Francisco Bay Area on Tuesday, according to the U.S. Geological Survey.