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== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California



Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 7:44:44 PM (PST) on Tuesday, February 13, 2018.
The magnitude 1.8 event occurred 22 km (14 miles) N of Yucca Valley, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 1.8 - local magnitude (Ml)
Time Tuesday, February 13, 2018 at 7:44:44 PM (PST)
Wednesday, February 14, 2018 at 3:44:44 (UTC)
Distance from Yucca Valley, CA - 22 km (14 miles) N (358 degrees)
Joshua Tree, CA - 23 km (14 miles) NNW (329 degrees)
Morongo Valley, CA - 32 km (20 miles) NNE (23 degrees)
Big Bear City, CA - 37 km (23 miles) E (81 degrees)
Twentynine Palms, CA - 39 km (24 miles) WNW (300 degrees)
Coordinates 34 deg. 18.8 min. N (34.312N), 116 deg. 26.5 min. W (116.442W)
Depth 8.3 km (5.2 miles)
Quality Good
Location Quality Parameters Nst=54, Nph=64, Dmin=6.0 km, Rmss=0.17 sec, Erho=0.21 km, Erzz=0.56 km, Gp=51 degrees
Event ID# ci38108208
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