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 9:03:12 AM (CDT) on Tuesday, September 8, 2009
.
The magnitude 2.3 event occurred 12 km (7 miles) ESE of Arcadia, OK .
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 2.3 - (unknown type) |
|---|---|
| Time | Tuesday, September 8, 2009 at 9:03:12 AM (CDT)
Tuesday, September 8, 2009 at 14:03:12 (UTC) |
| Distance from | Arcadia, OK - 12 km (7 miles) ESE (109 degrees) Fallis, OK - 15 km (9 miles) SSW (211 degrees) Lake Aluma, OK - 24 km (15 miles) ENE (63 degrees) Midwest City, OK - 27 km (17 miles) NE (40 degrees) |
| Coordinates | 35 deg. 38.0 min. N (35.633N), 97 deg. 12.3 min. W ( 97.205W) |
| Depth | 5 km (3.1 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst= 4, Nph= 4, Dmin=131.6 km, Rmss=0.19 sec, Erho=16 km, Erzz=0 km, Gp=158.4 degrees |
| Event ID# | us2009lhax |
| Additional Information | map |
For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/