Authorities are checking whether a lightning strike sparked a grass fire in Moraga Wednesday morning.
Latent fire sparked by lightning caused a 66-acre wildfire in Monterey County that was 90 percent contained Sunday evening, a spokesperson for Cal Fire said.
A construction crew using a torch caused a fire at a Santa Cruz hotel on Friday afternoon, a fire official said.
Firefighters are working to put out nine wildfires that were sparked by lightning in the northeastern corner of California as a stubborn blaze to the west in Mendocino County continues to challenge crews.
A two-alarm fire that damaged a home near Stanford University on Sunday may have been caused by a floor heater malfunction, according to the Palo Alto Fire Deportment.