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== 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 minor earthquake occurred at 3:49:07 AM (CDT) on Tuesday, October 9, 2012 .
The magnitude 3.3 event occurred 3 km (2 miles) NE (41 degrees) of Mulhall, OK .
The hypocentral depth is 9 km ( 6 miles).


Magnitude 3.3 - local magnitude (Ml)
Time Tuesday, October 9, 2012 at 3:49:07 AM (CDT)
Tuesday, October 9, 2012 at 8:49:07 (UTC)
Distance from Mulhall, OK - 3 km (2 miles) NE (41 degrees)
Cedar Valley, OK - 29 km (18 miles) NNE (33 degrees)
Fairmont, OK - 42 km (26 miles) SE (136 degrees)
Midwest City, OK - 71 km (44 miles) N (1 degrees)
Coordinates 36 deg. 5.0 min. N (36.083N), 97 deg. 23.2 min. W ( 97.386W)
Depth 8.9 km (5.5 miles)
Quality unknown
Location Quality Parameters Nst= 39, Nph= 39, Dmin=51.1 km, Rmss=0 sec, Erho=0 km, Erzz=0 km, Gp=39.6 degrees
Event ID# usc000d4j3
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For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/

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