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 4:11:51 AM (CST) on Monday, November 2, 2009
.
The magnitude 2.3 event occurred 2 km (2 miles) WNW of Mammoth Spring, AR .
The hypocentral depth is 1 km (0.4 miles).
| Magnitude | 2.3 - duration magnitude (Md) |
|---|---|
| Time | Monday, November 2, 2009 at 4:11:51 AM (CST)
Monday, November 2, 2009 at 10:11:51 (UTC) |
| Distance from | Mammoth Spring, AR - 2 km (2 miles) WNW (294 degrees) Thayer, MO - 3 km (2 miles) SW (228 degrees) Koshkonong, MO - 12 km (8 miles) SE (145 degrees) Jonesboro, AR - 107 km (66 miles) NW (314 degrees) |
| Coordinates | 36 deg. 30.2 min. N (36.504N), 91 deg. 33.9 min. W ( 91.566W) |
| Depth | 0.6 km (0.4 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst= 24, Nph= 34, Dmin=106 km, Rmss=0.31 sec, Erho=2.1 km, Erzz=0.2 km, Gp=198 degrees |
| Event ID# | nmhnw1102d |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/