Recent Earthquakes in Central US
== PRELIMINARY EARTHQUAKE REPORT ==Southeast U.S. Seismic Networks
Version #B: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A micro earthquake occurred at 2:07:52 AM (CDT) on Tuesday, October 6, 2009
.
The magnitude 1.7 event occurred 12 km (7 miles) ESE of Columbia, VA .
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.7 - (unknown type) |
|---|---|
| Time | Tuesday, October 6, 2009 at 2:07:52 AM (CDT)
Tuesday, October 6, 2009 at 7:07:52 (UTC) |
| Distance from | Columbia, VA - 12 km (7 miles) ESE (113 degrees) Louisa, VA - 35 km (22 miles) S (185 degrees) Mineral, VA - 35 km (22 miles) SSW (199 degrees) Richmond, VA - 54 km (34 miles) WNW (289 degrees) |
| Coordinates | 37 deg. 42.7 min. N (37.711N), 78 deg. 2.4 min. W ( 78.040W) |
| Depth | 3.5 km (2.2 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst= 4, Nph= 8, Dmin=14.4 km, Rmss=0.06 sec, Erho=1.5 km, Erzz=7.8 km, Gp=151.2 degrees |
| Event ID# | sehnw1006b |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/