MINERAL, Va. (AP) - Virginia continues to experience aftershocks from last summer's earthquake.

The U.S. Geological Survey says a 3.1-magnitude aftershock occurred at 11:21 p.m. Sunday 8 miles south of Louisa and 8 miles south-southwest of Mineral.

Mineral was the epicenter of the 5.8-magnitude earthquake that struck on Aug. 23, 2011.

No damage has been reported.

Dozens of aftershocks have occurred since the earthquake. Seismologists say aftershocks can continue for months.