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== PRELIMINARY EVENT REPORT ==

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



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro quarry occurred at 12:05:15 PM (PDT) on Friday, September 14, 2018.
The magnitude 1.4 event (a probable quarry explosion) occurred 6 km (4 miles) SSW of Mojave, CA.
The hypocentral depth is -1 km (-0.5 miles).



Magnitude 1.4 - local magnitude (Ml)
Time Friday, September 14, 2018 at 12:05:15 PM (PDT)
Friday, September 14, 2018 at 19:05:15 (UTC)
Distance from Mojave, CA - 6 km (4 miles) SSW (193 degrees)
Rosamond, CA - 15 km (9 miles) N (351 degrees)
California City, CA - 23 km (15 miles) SW (233 degrees)
Edwards Air Force Base, CA - 26 km (16 miles) WNW (294 degrees)
Tehachapi, CA - 28 km (17 miles) ESE (122 degrees)
Coordinates 34 deg. 59.9 min. N (34.998N), 118 deg. 11.4 min. W (118.189W)
Depth -0.8 km (-0.5 miles)
Quality Fair
Location Quality Parameters Nst=17, Nph=17, Dmin=13.7 km, Rmss=0.22 sec, Erho=0.53 km, Erzz=31.61 km, Gp=102 degrees
Event ID# ci38060463
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