Weather

Sonoma County Earthquake Upgraded To 3.8-Magnitude: USGS

​The earthquake was reported at 11:30 a.m. Thursday — Did YOU feel it?

Maggie Fusek's profile picture
Maggie Fusek, Patch StaffVerified Patch Staff Badge
The 3.8-magnitude earthquake struck at 11:30 a.m. Thursday near The Geysers.
The 3.8-magnitude earthquake struck at 11:30 a.m. Thursday near The Geysers. (Kristin Borden/Patch)

SONOMA COUNTY, CA— An earthquake Thursday morning near The Geysers in Sonoma County was upgraded to a 3.8-magnitude, the U.S. Geological Survey said Friday.

The earthquake was initially measured 3.5-magnitude when it struck at 11:30 a.m. Thursday about 14 miles north of Healdsburg and 26 miles north of Santa Rosa, according to the USGS.

The quake was felt from Sonoma County to the San Francisco Peninsula and the East Bay, including in Cloverdale, Napa, Healdsburg, Calistoga, Petaluma, Santa Rosa, Hayward, San Ramon, San Mateo and San Francisco, according to responses submitted to USGS.

Find out what's happening in Healdsburgfor free with the latest updates from Patch.

No injuries or damages have been reported in the quake.

This map shows the intensity of a 3.8-magnitude earthquake that struck at 11:30 a.m. Thursday near The Geysers in northeast Sonoma County. (U.S. Geological Survey)

Bay City News Service contributed to this report.

Find out what's happening in Healdsburgfor free with the latest updates from Patch.

Get more local news delivered straight to your inbox. Sign up for free Patch newsletters and alerts.

More from Healdsburg