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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 0:21:11 AM (CDT) on Thursday, October 18, 2012 .
The magnitude 3.6 event occurred 76 km (47 miles) E (80 degrees) of Alliance, NE .
The hypocentral depth is 5 km ( 3 miles).


Magnitude 3.6 - (unknown type)
Time Thursday, October 18, 2012 at 0:21:11 AM (CDT)
Thursday, October 18, 2012 at 5:21:11 (UTC)
Distance from Alliance, NE - 76 km (47 miles) E (80 degrees)
Batesland, SD - 102 km (63 miles) S (173 degrees)
Pine Ridge, SD - 102 km (63 miles) SSE (151 degrees)
Rapid City, SD - 231 km (144 miles) SSE (153 degrees)
Coordinates 42 deg. 13.3 min. N (42.221N), 101 deg. 57.6 min. W (101.960W)
Depth 5 km (3.1 miles)
Quality Poor
Location Quality Parameters Nst= 12, Nph= 12, Dmin=142.3 km, Rmss=0.46 sec, Erho=7.2 km, Erzz=0 km, Gp=104.4 degrees
Event ID# usb000d86b
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For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/

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