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 7:31:33 PM (CDT) on Thursday, October 1, 2009
.
The magnitude 1.6 event occurred 7 km (5 miles) WSW of New Madrid, MO .
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
|---|---|
| Time | Thursday, October 1, 2009 at 7:31:33 PM (CDT)
Friday, October 2, 2009 at 0:31:33 (UTC) |
| Distance from | New Madrid, MO - 7 km (5 miles) WSW (249 degrees) Portageville, MO - 17 km (11 miles) NNE (29 degrees) Parma, MO - 20 km (12 miles) ESE (107 degrees) Jonesboro, AR - 127 km (79 miles) NE (51 degrees) |
| Coordinates | 36 deg. 33.7 min. N (36.562N), 89 deg. 36.3 min. W ( 89.606W) |
| Depth | 9.8 km (6.1 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst= 19, Nph= 31, Dmin=6 km, Rmss=0.06 sec, Erho=0.7 km, Erzz=1.1 km, Gp=68.4 degrees |
| Event ID# | nmhnw1002b |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/