Since Thursday, at least 131 earthquakes have been recorded — as small as magnitude 0.2 and as big as magnitude 4 — in the ...

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The ...

Northern California’s first human West Nile virus case of the year has been confirmed in Butte County, according to local ...

Two earthquakes struck different parts of Northern California early Thursday morning, according to the U.S. Geological Survey ...

Santa Rosa really is the key for Northern California, because it's such a big population base,’ Assemblymember Chris Rogers ...

West Nile virus activity is on the rise in some northern California counties, according to the Sacramento-Yolo Mosquito and ...

California has tried to eradicate ugly South American swamp rodents called nutria. Shooting destructive nonnative mute swans ...

A student in Northern California tested positive for active tuberculosis on Thursday, according to public health officials. • ...

Mandatory evacuations cover zones YUB-E094-B and YUB-E093-A, according to the Yuba County Office of Emergency Services.

As another low drops in from the northwest this weekend, onshore flow will strengthen, and high temperatures will drop ...