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 1:10:58 AM (CST) on Friday, December 18, 2009
.
The magnitude 1.7 event occurred 7 km (4 miles) SE of Manila, AR .
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
|---|---|
| Time | Friday, December 18, 2009 at 1:10:58 AM (CST)
Friday, December 18, 2009 at 7:10:58 (UTC) |
| Distance from | Manila, AR - 7 km (4 miles) SE (139 degrees) Dell, AR - 7 km (4 miles) WSW (248 degrees) Victoria, AR - 10 km (6 miles) NNW (328 degrees) Jonesboro, AR - 53 km (33 miles) E (91 degrees) |
| Coordinates | 35 deg. 49.9 min. N (35.831N), 90 deg. 6.9 min. W ( 90.114W) |
| Depth | 7.9 km (4.9 miles) |
| Quality | Good |
| Location Quality Parameters | Nst= 12, Nph= 20, Dmin=5 km, Rmss=0.05 sec, Erho=0.6 km, Erzz=1.3 km, Gp=93.6 degrees |
| Event ID# | nmhnw1218a |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/