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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 9:15:26 AM (CST) on Tuesday, December 4, 2012 .
The magnitude 3.5 event occurred 31 km (19 miles) WSW of Cokedale, CO .
The hypocentral depth is 5 km ( 3 miles).


Magnitude 3.5 - (unknown type)
Time Tuesday, December 4, 2012 at 9:15:26 AM (CST)
Tuesday, December 4, 2012 at 15:15:26 (UTC)
Distance from Cokedale, CO - 31 km (19 miles) WSW (246 degrees)
Starkville, CO - 38 km (24 miles) WSW (256 degrees)
Trinidad, CO - 42 km (26 miles) WSW (249 degrees)
Pueblo, CO - 139 km (86 miles) SSW (192 degrees)
Coordinates 37 deg. 2.0 min. N (37.033N), 104 deg. 56.3 min. W (104.938W)
Depth 5 km (3.1 miles)
Quality Poor
Location Quality Parameters Nst= 45, Nph= 45, Dmin=47.8 km, Rmss=0.65 sec, Erho=3.4 km, Erzz=0 km, Gp=39.6 degrees
Event ID# us2012itaj
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For more information, see http://earthquake.usgs.gov/research/monitoring/anss/neic/

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