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

A micro quarry occurred at 11:03:52 AM (PST) on Thursday, February 13, 2020.
The magnitude 0.9 event (a probable quarry explosion) occurred 5 km (3 miles) N of Lake Elsinore, CA.
The hypocentral depth is -1 km (-0.3 miles).



Magnitude 0.9 - local magnitude (Ml)
Time Thursday, February 13, 2020 at 11:03:52 AM (PST)
Thursday, February 13, 2020 at 19:03:52 (UTC)
Distance from Lake Elsinore, CA - 5 km (3 miles) N (351 degrees)
Lakeland Village, CA - 8 km (5 miles) N (6 degrees)
Good Hope, CA - 9 km (5 miles) SW (226 degrees)
Wildomar, CA - 13 km (8 miles) NNW (338 degrees)
Perris, CA - 13 km (8 miles) SW (231 degrees)
Coordinates 33 deg. 42.6 min. N (33.711N), 117 deg. 20.1 min. W (117.335W)
Depth -0.53 km (-0.3 miles)
Quality Good
Location Quality Parameters Nst=24, Nph=27, Dmin=4.0 km, Rmss=0.19 sec, Erho=0.36 km, Erzz=31.61 km, Gp=60 degrees
Event ID# ci39070559
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