According to CNN affiliate KCAL, freeze warnings were expected to be in effect through 9 a.m.

CNN: Weird weather: Temperature extremes coast to coast

"I know that she wrestled with some addictions, " said Andrea Diamond, a friend and neighbor, in an interview with KCAL-TV.

CNN: Hartman's friends, fans ask: 'What went wrong?'

The quake's epicenter was two miles northwest of Devore, California, where residents told CNN affiliate KCAL that their homes shook, without damage, authorities said.

CNN: Earthquake registering 3.8 strikes southern California