California has no shortage of geological marvels, many tucked within one of the state's national parks. But to view a ...

It didn’t relent until hundreds of miles of the Central Valley turned into an inland sea, leaving the city of Sacramento ...

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big ...

The Florida Museum of Natural History recently published “The Butterflies of California,” an online book that contains a ...

SAN BENITO COUNTY, CA - A preliminary 2.0 magnitude quake was detected close to San Juan Bautista Friday afternoon, according ...

The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...

A new study reveals how shifting ice shells on icy moons can cause dramatic pressure changes, sometimes enough to boil their hidden oceans. The outer planets of our Solar System are accompanied by ...

A series of earthquakes rattled California’s Bay Area near Gilroy on Wednesday, according to the U.S. Geological Survey. The largest was a magnitude 4.0 quake centered about 8 kilometers east of ...

Just after 8 a.m. Bay Area residents received a MyShake alert warning of magnitude 5.9 earthquake hitting east of Carson City ...

The United States Geological Survey quickly deleted the alert, saying it had been sent in error. “This isn’t a good look,” ...

A minor, 4.0-magnitude earthquake struck in Northern California on Wednesday, according to the United States Geological Survey. The temblor happened at 6:16 a.m. Pacific time about 5 miles east of ...

The ShakeAlert system that warns about imminent shaking arriving from earthquakes sent a false alarm across California on ...