Crime & Safety

Series Of Earthquakes Rattle Bay Area

A series of earthquakes rattled the Bay Area on Saturday.

The first quake was recorded at 9:22 a.m., about 15 miles north/northeast of Healdsburg, and about 3 miles southeast of the unincorporated Lake County area of Cobb, according to the U.S. Geological Survey.
The first quake was recorded at 9:22 a.m., about 15 miles north/northeast of Healdsburg, and about 3 miles southeast of the unincorporated Lake County area of Cobb, according to the U.S. Geological Survey. (Kristin Borden/Patch)

An earthquake with a revised magnitude of 4.3 struck northern Sonoma County Saturday morning, followed by two smaller aftershocks.

The first quake was recorded at 9:22 a.m., about 15 miles north/northeast of Healdsburg, and about 3 miles southeast of the unincorporated Lake County area of Cobb, according to the U.S. Geological Survey.

It was initially measured as having a magnitude of 4.1 after being reviewed by a seismologist at the USGS and was later revised upward.

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

An aftershock with a preliminary magnitude of 2.9 hit about a mile south of there a minute later, at 9:23 a.m.

Another quake with a preliminary magnitude of 2.6 was recorded at 12:17 p.m. in the same area.

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

No impacts were reported to the nearest Northern Sonoma County Fire Protection District station in Geyserville after the largest quake, according to Keaton Mohar, a firefighter stationed there Saturday morning.


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