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

A micro earthquake occurred at 5:03:42 PM (PDT) on Monday, July 27, 2020.
The magnitude 0.8 event occurred 6 km (4 miles) NW of Julian, CA.
The hypocentral depth is 9 km ( 6 miles).



Magnitude 0.8 - local magnitude (Ml)
Time Monday, July 27, 2020 at 5:03:42 PM (PDT)
Tuesday, July 28, 2020 at 0:03:42 (UTC)
Distance from Julian, CA - 6 km (4 miles) NW (314 degrees)
Lake Henshaw, CA - 17 km (11 miles) SE (143 degrees)
San Diego Country Estates, CA - 18 km (11 miles) NE (45 degrees)
Warner Springs, CA - 18 km (11 miles) S (185 degrees)
Ramona, CA - 22 km (14 miles) ENE (67 degrees)
Coordinates 33 deg. 7.1 min. N (33.118N), 116 deg. 39.0 min. W (116.650W)
Depth 9.21 km (5.7 miles)
Quality Good
Location Quality Parameters Nst=18, Nph=24, Dmin=6.4 km, Rmss=0.19 sec, Erho=0.35 km, Erzz=0.77 km, Gp=52 degrees
Event ID# ci38612226
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