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 8:52:54 PM (CDT) on Monday, September 21, 2009
.
The magnitude 1.6 event occurred 10 km (6 miles) SW of New Madrid, MO .
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
|---|---|
| Time | Monday, September 21, 2009 at 8:52:54 PM (CDT)
Tuesday, September 22, 2009 at 1:52:54 (UTC) |
| Distance from | New Madrid, MO - 10 km (6 miles) SW (232 degrees) Portageville, MO - 14 km (9 miles) NNE (32 degrees) Parma, MO - 20 km (13 miles) ESE (116 degrees) Jonesboro, AR - 124 km (77 miles) NE (52 degrees) |
| Coordinates | 36 deg. 31.9 min. N (36.532N), 89 deg. 36.9 min. W ( 89.615W) |
| Depth | 8.6 km (5.3 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst= 17, Nph= 30, Dmin=5 km, Rmss=0.08 sec, Erho=0.7 km, Erzz=1.1 km, Gp=82.8 degrees |
| Event ID# | nmhnw0922a |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/