Seismologists Discover Hidden Faults Beneath One of the U.S.'s Biggest Earthquake Hotspots ...

Kilauea has been erupting episodically within the summit caldera since Dec. 23, 2024. Its USGS Volcano Alert level is WATCH.

The USGS Earthquake Notification Service (ENS) has been providing fast, reliable alerts to thousands of people around the world for 20 years, allowing them to stay informed and prepared for ...

Stanford researchers have created the first-ever global map of a rare earthquake type that occurs not in Earth's crust but in ...

In the Pacific Northwest, big faults like the Cascadian subduction zone located offshore, get a lot of attention. But big ...

At least 33 earthquakes of magnitude 1.3 or higher struck within about 90 minutes Monday morning, with most centered near San Ramon, California.

The model also proved the theorized existence of the Pioneer fragment, a remnant of the ancient Farrallon plate that used to traverse the California coastline that has not all but disappeared. This ...

The U.S. Geological Survey reported a magnitude 4.9 earthquake about 12 miles northeast of Indio that caused serious shaking in many parts of the Coachella Valley on Monday, Jan. 19. The quake struck ...

A view of downtown Cedar Rapids from a Boeing B-17 Flying Fortress in Cedar Rapids in June 2014. (The Gazette) Buy Photo The Gazette offers audio versions of articles using Instaread. Some words may ...

USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...