Recent Earthquakes in Central US
== PRELIMINARY EARTHQUAKE REPORT ==U.S. Geological Survey, National Earthquake Information Center
Version #Q: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:15:50 PM (CDT) on Thursday, August 27, 2009
.
The magnitude 2.3 event occurred 12 km (7 miles) SSE of Arcadia, OK .
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 2.3 - (unknown type) |
|---|---|
| Time | Thursday, August 27, 2009 at 11:15:50 PM (CDT)
Friday, August 28, 2009 at 4:15:50 (UTC) |
| Distance from | Arcadia, OK - 12 km (7 miles) SSE (164 degrees) Lake Aluma, OK - 14 km (9 miles) ENE (76 degrees) Midwest City, OK - 16 km (10 miles) NE (36 degrees) |
| Coordinates | 35 deg. 34.0 min. N (35.566N), 97 deg. 17.4 min. W ( 97.290W) |
| Depth | 5 km (3.1 miles) |
| Quality | unknown |
| Location Quality Parameters | Nst= 4, Nph= 4, Dmin=164.2 km, Rmss=0 sec, Erho=0 km, Erzz=0 km, Gp=133.2 degrees |
| Event ID# | us2009kwa4 |
| Additional Information | map |
For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/