Trump sent National Guard troops to California amid days of protesting federal immigration raids. Here's what's usual, and unusual, about the order.

A steady increase in the population of wild pigs — a marauding, non-native animal that can grow sharp tusks and weigh 250 ...

Thousands of Californians felt the ground shake underneath them as many were protesting ICE raids in San Francisco.

A 3.3-magnitude earthquake shook the San Francisco area in California, the U.S. Geological Survey reported. The 6-mile deep ...

City of Pinole hit by an earthquake at the same time as anti-immigration raids protests were taking place in downtown San Francisco.

A 3.3 magnitude earthquake hit near Pinole at 9:30 p.m. Sunday, according to the United States Geological Survey. Related ...

The California Earthquake Authority (CEA) has now priced its latest catastrophe bond, securing the 60% top-end target size ...

Keeping the nation’s lights on is no small job. The grid we take for granted involves large, expensive equipment, most ...

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California’s ...

Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

A near-certain disaster looms for California, but there are real things people can do to prepare. Here's what to know about ...

Unlike other earthquake-prone places around the planet, California is overdue for a major quake, according to a recent study.