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 9:06:31 AM (CST) on Thursday, December 29, 2011
.
The magnitude 2.8 event occurred 11 km (7 miles) WSW of New Madrid, MO .
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 2.8 - duration magnitude (Md) |
|---|---|
| Time | Thursday, December 29, 2011 at 9:06:31 AM (CST)
Thursday, December 29, 2011 at 15:06:31 (UTC) |
| Distance from | New Madrid, MO - 11 km (7 miles) WSW (252 degrees) Portageville, MO - 15 km (10 miles) NNE (19 degrees) Parma, MO - 17 km (10 miles) ESE (113 degrees) Jonesboro, AR - 124 km (77 miles) NE (50 degrees) |
| Coordinates | 36 deg. 33.3 min. N (36.555N), 89 deg. 38.7 min. W ( 89.644W) |
| Depth | 7.8 km (4.8 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst= 17, Nph= 22, Dmin=4 km, Rmss=0.05 sec, Erho=0.4 km, Erzz=0.9 km, Gp=54 degrees |
| Event ID# | nm122911a |
| Additional Information | map |
| Did you feel it? |
For more information, see http://folkworm.ceri.memphis.edu/