2011 Virginia earthquake

On August 23, 2011, a magnitude 5.8 earthquake hit the Piedmont region of the Commonwealth of Virginia, United States, at 1:51:04 p.m. EDT. The epicenter, in Louisa County, was 38 mi northwest of Richmond and 5 mi south-southwest of the town of Mineral. It was an intraplate earthquake with a maximum perceived intensity of VII on the Mercalli intensity scale. Several aftershocks, ranging up to 4.5 Mw in magnitude, occurred after the main tremor.

The quake was felt across more than a dozen U.S. states and in several Canadian provinces, and was felt by more people than any other quake in U.S. history. No deaths and only minor injuries were reported. Minor and moderate damage to buildings was widespread and was estimated by one risk-modeling company at $200 million to $300 million, of which about $100 million was insured.

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