WASHINGTON COUNTY, MO (KFVS) - According to the United States Geological Survey (USGS) a 3.9 magnitude earthquake rattled parts of the Heartland Tuesday morning at 3:10.
The USGS reports the quake was centered 15 north northwest of Potosi in Washington County near County Road 303 in a wooded area. First reports from the USGS recorded the earthquake at a 4.2 magnitude.
The earthquake happened at a depth of 3.2 miles.
According to an employee at the Jefferson County Sheriff's Department, he first heard what sounded like thunder and then the whole building shook for 5 to 10 seconds.
As of 4:10 a.m. there are no reports of damage or injuries in Washington County.
== PRELIMINARY EARTHQUAKE REPORT FROM USGS ==
Geographic coordinates: 38.121N, 90.932W
Magnitude: 3.9 M
Depth: 5.1 km (3.2 miles)
Time near the Epicenter: 7 Jun 2011 03:10:34
Location with respect to nearby cities:
22 km (14 miles) ESE (116 degrees) of Sullivan, MO
24 km (15 miles) S (172 degrees) of Parkway, MO
24 km (16 miles) S (170 degrees) of Saint Clair, MO
83 km (52 miles) SSW (208 degrees) of Saint Charles, MO