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 11:52:12 PM (CDT) on Monday, August 3, 2009
.
The magnitude 1.8 event occurred 9 km (6 miles) S of New Madrid, MO .
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
|---|---|
| Time | Monday, August 3, 2009 at 11:52:12 PM (CDT)
Tuesday, August 4, 2009 at 4:52:12 (UTC) |
| Distance from | New Madrid, MO - 9 km (6 miles) S (191 degrees) Portageville, MO - 16 km (10 miles) NE (56 degrees) Tiptonville, TN - 16 km (10 miles) NNW (334 degrees) Jackson, TN - 119 km (74 miles) NNW (327 degrees) |
| Coordinates | 36 deg. 30.3 min. N (36.506N), 89 deg. 32.9 min. W ( 89.548W) |
| Depth | 6.8 km (4.2 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst= 24, Nph= 42, Dmin=4 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=1 km, Gp=57.6 degrees |
| Event ID# | nmhnw0804a |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/