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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 #3: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro quarry occurred at 1:33:38 PM (PDT) on Monday, August 12, 2019.
The magnitude 1.4 event (a probable quarry explosion) occurred 2 km (1 miles) ESE of Home Gardens, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 1.4 - local magnitude (Ml)
Time Monday, August 12, 2019 at 1:33:38 PM (PDT)
Monday, August 12, 2019 at 20:33:38 (UTC)
Distance from Home Gardens, CA - 2 km (1 miles) ESE (122 degrees)
Corona, CA - 6 km (4 miles) E (91 degrees)
Norco, CA - 8 km (5 miles) SSE (149 degrees)
Pedley, CA - 12 km (8 miles) SSW (192 degrees)
Riverside, CA - 13 km (8 miles) SW (228 degrees)
Coordinates 33 deg. 52.1 min. N (33.869N), 117 deg. 30.2 min. W (117.504W)
Depth 1.48 km (0.9 miles)
Quality Good
Location Quality Parameters Nst=31, Nph=37, Dmin=7.9 km, Rmss=0.29 sec, Erho=0.42 km, Erzz=0.68 km, Gp=45 degrees
Event ID# ci38960896
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