Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 3:43:35 PM (PDT) on Wednesday, July 19, 2023.
The magnitude 1.8 event occurred 4 km (3 miles) SSE of Highland Park, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.8 - local magnitude (Ml)
Time Wednesday, July 19, 2023 at 3:43:35 PM (PDT)
Wednesday, July 19, 2023 at 22:43:35 (UTC)
Distance from Highland Park, CA - 4 km (3 miles) SSE (163 degrees)
South Pasadena, CA - 5 km (3 miles) SW (222 degrees)
Alhambra, CA - 6 km (3 miles) WSW (256 degrees)
East Los Angeles, CA - 6 km (4 miles) NNW (345 degrees)
Monterey Park, CA - 6 km (4 miles) WNW (292 degrees)
Coordinates 34 deg. 5.0 min. N (34.084N), 118 deg. 11.1 min. W (118.185W)
Depth 9.91 km (6.2 miles)
Quality Good
Location Quality Parameters Nst=35, Nph=56, Dmin=3.1 km, Rmss=0.16 sec, Erho=0.25 km, Erzz=0.4 km, Gp=89 degrees
Event ID# ci39617066
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