Logo Recent Earthquakes in Central US

== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, National Earthquake Information Center

Version #6: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A micro earthquake occurred at 1:32:06 PM (CDT) on Thursday, August 27, 2009 .
The magnitude 2.7 event occurred 12 km (7 miles) SSE of Arcadia, OK .
The hypocentral depth is 5 km ( 3 miles).


Magnitude 2.7 - (unknown type)
Time Thursday, August 27, 2009 at 1:32:06 PM (CDT)
Thursday, August 27, 2009 at 18:32:06 (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= 7, Nph= 7, Dmin=140.9 km, Rmss=0 sec, Erho=0 km, Erzz=0 km, Gp=93.6 degrees
Event ID# us2009kvb3
Additional Information map
Did you feel it?
Did you feel it?

For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/

[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]
[ Data Sources || Contacts ]