0352 GMT December 14, 2017
"The homes are gone, they are like dust," said Jack Dixon, a personal trainer who lives in Santa Rosa, a city of 175,000 in Sonoma County. "It is just like we were nuked," france24.com reported.
Dixon told AFP that his own neighborhood was spared when the fire ‘miraculously’ changed direction but many others were not so fortunate.
"I am surrounded by devastation and feel lucky it didn't happen to me," Dixon said.
US President Donald Trump declared a major disaster in California, freeing up federal funding and resources to help fight the 17 large wildfires in the western state.
Governor Jerry Brown declared a state of emergency in eight counties including wine-producing Napa and Sonoma and said thousands of firefighters had been deployed to fight the blazes.
Nine deaths were reported in Sonoma County, three in Mendocino County, two in Napa County and one in Yuba County and the governor said, “Emergency responders anticipate the number of fatalities could grow."
Among the dead in Napa were a couple aged 99 and 100 years old who had been married for 75 years, KTVU-TV said. They were unable to evacuate their home in time.
The Sonoma County Sheriff's Department said on its Facebook page it had received reports of 200 missing people.
Forty-five had been located and the department said it was confident that many of the rest would be found safe.
About 25,000 people have been evacuated in Sonoma County alone, the department said, and 5,000 have sought refuge in shelters.
The fires have torched more than 115,000 acres (46,500 hectares) and destroyed over 2,000 homes and businesses, according to the authorities.