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 10:59:48 PM (CDT) on Wednesday, October 7, 2009
.
The magnitude 1.8 event occurred 11 km (7 miles) SSW of New Madrid, MO .
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
|---|---|
| Time | Wednesday, October 7, 2009 at 10:59:48 PM (CDT)
Thursday, October 8, 2009 at 3:59:48 (UTC) |
| Distance from | New Madrid, MO - 11 km (7 miles) SSW (195 degrees) Portageville, MO - 14 km (9 miles) ENE (60 degrees) Tiptonville, TN - 15 km (9 miles) NNW (327 degrees) Jackson, TN - 118 km (73 miles) NW (326 degrees) |
| Coordinates | 36 deg. 29.3 min. N (36.489N), 89 deg. 33.7 min. W ( 89.561W) |
| Depth | 9.5 km (5.9 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst= 26, Nph= 48, Dmin=6 km, Rmss=0.07 sec, Erho=0.4 km, Erzz=1 km, Gp=50.4 degrees |
| Event ID# | nmhnw1008a |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/