An earthquake was felt on Cobb Mountain Thursday afternoon.

The quake, measuring 3.1 on the Richter scale, occurred at 3:06 p.m., according to the US Geological Survey.

It was centered two miles north northeast of The Geysers, three miles west of Cobb and six miles northwest of Anderson Springs, the US Geological Survey reported. It occurred at a depth of three-tenths of a mile.

Residents of Cobb, Middletown and even distant Fresno reported to the US Geological Survey that they felt the quake.

The last earthquake measuring more than 3.0 occurred on Feb. 20, measured 3.7 in magnitude and was centered one mile north of The Geysers, as Lake County News has reported.