A magnitude 4.1 earthquake shook parts of Lake and Sonoma counties on Monday, the U.S. Geological Survey said.

The morning temblors were felt across the Bay Area, according to the USGS. The first and larger quake was felt from Castle ...

An earthquake with a preliminary magnitude of 4.1 shook roughly 37 miles north of Santa Rosa in Northern California on Monday ...

California was shaking early Monday as a series of earthquakes struck in quick succession, raising concern in the seismically ...

SAN LUIS OBISPO COUNTY, CA - A preliminary 2.2 magnitude quake was detected near Templeton Monday morning, the U.S.

The United States Geological Survey is issuing a new Orange Alert, warning residents and visitors on Hawaii's Big Island that ...

The people who manage America’s aquifers, wetlands, shorelines and recreation areas rely on federal science as they face new ...

A light, 4.1-magnitude earthquake struck north of San Francisco on Monday, according to the United States Geological Survey.

In the summer, the U.S. Geological Survey began large-scale low-level airplane flights over the Upper Peninsula and northern ...

The U.S. Geological Survey (USGS) issued a new orange "watch" alert for Hawaii's Kilauea volcano on Sunday, warning that the ...

A 2.4 magnitude quake about 6:30 a.m. was recorded about 100 miles northwest of downtown Atlanta, officials say.

This was the second consecutive earthquake recorded in this part of the Palmetto State, and the 34th overall in 2025.