Clearly, we see FRAC wells or other types of fracking/oil/gas wells at the epicenter of this Virginia earthquake:

Here are the USGS coordinates: 37.200°N, 81.885°W

here is a link to the official stats for the quake: http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/se120311a.php

Magnitude 3.1 – VIRGINIA

2011 December 03 11:12:47 UTC

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Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	3.1
Date-Time	Saturday, December 03, 2011 at 11:12:47 UTC Saturday, December 03, 2011 at 06:12:47 AM at epicenter Time of Earthquake in other Time Zones
Location	37.200°N, 81.885°W
Depth	6.2 km (3.9 miles)
Region	VIRGINIA
Distances	13 km (8 miles) NNW (348°) from Raven, VA 14 km (8 miles) NNW (329°) from Richlands, VA 16 km (10 miles) NW (320°) from Cedar Bluff, VA 189 km (118 miles) NW (311°) from Winston-Salem, NC 396 km (246 miles) SSW (205°) from Pittsburgh, PA