According to the USGS, the earthquake struck at about 4:30 a.m. and had a depth of 1.7 miles.
The quake was centered two miles north of The Geysers and 11 miles east of Cloverdale, according to the USGS.
It was the second small quake to strike in the area Sunday morning. A 2.3 earthquake also struck nearby at about 2:15 a.m.
That earthquake had a depth of 1.2 miles and was centered four miles east-southeast of The Geysers and 15 miles east of Cloverdale, according to the USGS.