A 3.7 earthquake just rattled the suburbs of Chicago! From RSOE:
Monday, November 04, 2013 at 19:35 in the evening at epicenter
Coordinate: 41° 45.972, 87° 53.904
Depth: 1.35 km (0.84 miles)
Hypocentrum: Shallow depth
Country: United States
Location: 0.01 km (0.01 miles) SE of Indian Head Par
Bob Schaefer @Bobszilla 6m
Well, I guess it wasn't an earthquake. Just people blowing up stuff at the quarry. We'll have to wait a while for the big one, Chicago.
The USGS confirms that the "earthquake" was the result of a quarry blast just outside the big city.