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 5:15:12 AM (CDT) on Tuesday, July 21, 2009
.
The magnitude 1.5 event occurred 13 km (8 miles) N (8 degrees) of Portageville, MO .
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
|---|---|
| Time | Tuesday, July 21, 2009 at 5:15:12 AM (CDT)
Tuesday, July 21, 2009 at 10:15:12 (UTC) |
| Distance from | Portageville, MO - 13 km (8 miles) N (8 degrees) New Madrid, MO - 14 km (9 miles) WSW (251 degrees) Parma, MO - 15 km (9 miles) ESE (122 degrees) Jonesboro, AR - 121 km (75 miles) NE (49 degrees) |
| Coordinates | 36 deg. 32.6 min. N (36.544N), 89 deg. 40.7 min. W ( 89.679W) |
| Depth | 10.3 km (6.4 miles) |
| Quality | Good |
| Location Quality Parameters | Nst= 14, Nph= 22, Dmin=2 km, Rmss=0.07 sec, Erho=1.1 km, Erzz=1.7 km, Gp=126 degrees |
| Event ID# | nmhnw0721a |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/