Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows. They have been particularly lethal in parts of California where landscape, climate, we ...

The atmospheric river storm hitting Northern California is set to bring heavy rain to the San Francisco Bay Area on Tuesday, potentially triggering flooding. In the mountains, the National Weather ...

Rogers Creek Fault is Waiting By David Bolling With the nation’s focus on the catastrophic wildfires in Los Angeles, the last ...

The Sonoma County Administrator’s Office launched a survey to collect feedback on storm preparedness after the county was hit by an intense “atmospheric river” event in early February that caused ...

A minor, 3.5-magnitude earthquake struck in Southern California on Saturday, according to the United States Geological Survey ...

A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.

Residents in some parts of the Sonoma Valley could face up to nine hours of traffic trying to evacuate on limited, outdated ...

Bernard Hubbard didn’t set out to map minerals. As a geology PhD student at UB, he used satellite and airborne instruments to study volcanoes from above. Later, as a research geologist with the United ...

The City of Sonoma is transitioning to a district-based elections system and city council and is seeking community input in the process. Residents can submit district map proposals through Feb. 26 ...

An atmospheric river is expected to hit California later this week, bringing heavy rain and wind to much of the state.