A small earthquake has rattled a Northern California wine region where a huge wildfire was burning, the United States Geological Survey confirmed.

The USGS reported the quake with a preliminary magnitude of 4.2 struck at 12:34 p.m. Sunday near the Geysers.

A Sonoma County Sheriff’s dispatcher says there were no calls reporting damage or injuries.

The Geysers is the world’s largest geothermal field, with power plants drawing steam from mountain wells to create electricity.

A wildfire that broke out in the area on Oct. 23 burned 121 squares miles.

Read more