An earthquake with a preliminary magnitude of 4.6 was recorded in the North Bay this morning, according to the U.S. Geological Survey.
The quake occurred at 2:09 a.m. about 14 miles north-northeast of Healdsburg and had a depth of 1.2 miles.
The region is close to The Geysers geothermal plant, which has frequent earthquakes of much lower magnitude.
According to Earthquaketrack.com, it is the largest earthquake in the area for the past month.
Did any Patch readers feel the earthquake, or perhaps wake up shortly after 2 a.m. because of it? Tell us in the comments.
-- Bay City News contributed to this report. Republication, Rebroadcast or any other Reuse without the express written consent of Bay City News, Inc. is prohibited.