Recent Earthquakes in Central US
== PRELIMINARY EARTHQUAKE REPORT ==Cooperative New Madrid Seismic Network
Version #A: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:44:38 AM (CDT) on Friday, August 7, 2009
.
The magnitude 1.1 event occurred 3 km (2 miles) ESE of Ridgely, TN .
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
|---|---|
| Time | Friday, August 7, 2009 at 4:44:38 AM (CDT)
Friday, August 7, 2009 at 9:44:38 (UTC) |
| Distance from | Ridgely, TN - 3 km (2 miles) ESE (103 degrees) Tiptonville, TN - 14 km (9 miles) S (172 degrees) Samburg, TN - 16 km (10 miles) SSW (212 degrees) Jackson, TN - 92 km (57 miles) NW (321 degrees) |
| Coordinates | 36 deg. 15.4 min. N (36.256N), 89 deg. 27.0 min. W ( 89.450W) |
| Depth | 6.1 km (3.8 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst= 12, Nph= 19, Dmin=4 km, Rmss=0.03 sec, Erho=0.6 km, Erzz=1.7 km, Gp=50.4 degrees |
| Event ID# | nmhnw0807b |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/