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 5:23:46 PM (CDT) on Thursday, July 23, 2009
.
The magnitude 1.8 event occurred 11 km (7 miles) NE (54 degrees) of Fallis, OK .
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.8 - (unknown type) |
|---|---|
| Time | Thursday, July 23, 2009 at 5:23:46 PM (CDT)
Thursday, July 23, 2009 at 22:23:46 (UTC) |
| Distance from | Fallis, OK - 11 km (7 miles) NE (54 degrees) Agra, OK - 16 km (10 miles) SW (234 degrees) Sparks, OK - 28 km (18 miles) NW (321 degrees) Midwest City, OK - 53 km (33 miles) NE (41 degrees) |
| Coordinates | 35 deg. 48.4 min. N (35.807N), 97 deg. 1.1 min. W ( 97.018W) |
| Depth | 5 km (3.1 miles) |
| Quality | unknown |
| Location Quality Parameters | Nst= 4, Nph= 4, Dmin=111.4 km, Rmss=0 sec, Erho=0 km, Erzz=0 km, Gp=208.8 degrees |
| Event ID# | us2009jkbw |
| Additional Information | map |
For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/