Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

Wildfires are burning in Northern California and Southern Oregon. A Spare The Air Alert day is in effect Friday due to poor ...

Smoke from wildfires in Northern California and southern Oregon has settled over Northern Nevada and is worsening air quality across the region. Air quality in the Reno-Sparks area Thursday morning ...

A minor, 3.3-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

A preliminary 3.7 magnitude earthquake struck Wednesday morning off the coast of Northern California, according to the United ...

Residents are encouraged to limit outdoor activities, stay indoors with windows and doors closed, and use air conditioners with a re-circulation setting to reduce smoke exposure.

Seven people were "unaccounted for" in Yolo County's town of Esparto after several explosions at a fireworks warehouse ...

A major tsunami could swamp significant swaths of the Northern California coastline, according to hazard maps reviewed by The Times, making it vital for residents to know whether they live in an ...

A wildfire in a wilderness area on the Central California coast grew to more than 70,800 acres Friday as the fire-prone state ...

Some sections of Northern California's coast are considered vulnerable to tsunamis. Here's where those locations are and how to best prepare. Where is most at risk for tsunami flooding in NorCal?

The map above shows the remaining outposts of some dwindling chains. (We’ve left out Southern California because, with its metropolitan sprawl and drive-in-and-diner culture, it seems to be home ...

Areas in northern and central California were the most impacted by outages Saturday, including Monterey County (over 41,000 outages), Marin County (over 19,000 outages), and Santa Cruz County ...