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 6:27:43 AM (CDT) on Monday, July 20, 2009
.
The magnitude 1.6 event occurred 7 km (5 miles) WSW of New Madrid, MO .
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
|---|---|
| Time | Monday, July 20, 2009 at 6:27:43 AM (CDT)
Monday, July 20, 2009 at 11:27:43 (UTC) |
| Distance from | New Madrid, MO - 7 km (5 miles) WSW (252 degrees) Portageville, MO - 18 km (11 miles) NNE (28 degrees) Parma, MO - 19 km (12 miles) ESE (106 degrees) Jonesboro, AR - 127 km (79 miles) NE (50 degrees) |
| Coordinates | 36 deg. 33.9 min. N (36.565N), 89 deg. 36.4 min. W ( 89.607W) |
| Depth | 5.7 km (3.5 miles) |
| Quality | Good |
| Location Quality Parameters | Nst= 18, Nph= 26, Dmin=6 km, Rmss=0.08 sec, Erho=0.7 km, Erzz=1.7 km, Gp=64.8 degrees |
| Event ID# | nmhnw0720a |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/