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 7:40:40 PM (PDT) on Thursday, October 30, 2025.
The magnitude 0.7 event occurred 4 km (2 miles) SSE of Highland Park, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Thursday, October 30, 2025 at 7:40:40 PM (PDT)
Friday, October 31, 2025 at 2:40:40 (UTC)
Distance from Highland Park, CA - 4 km (2 miles) SSE (161 degrees)
South Pasadena, CA - 4 km (3 miles) SW (226 degrees)
Alhambra, CA - 5 km (3 miles) W (262 degrees)
Monterey Park, CA - 6 km (4 miles) WNW (297 degrees)
Los Angeles, CA - 7 km (4 miles) ENE (57 degrees)
Coordinates 34 deg. 5.3 min. N (34.089N), 118 deg. 11.1 min. W (118.186W)
Depth 10.21 km (6.30 miles)
Quality Good
Location Quality Parameters Nst=18, Nph=35, Dmin=7.4 km, Rmss=0.1 sec, Erho=0.28 km, Erzz=0.37 km, Gp=155 degrees
Event ID# ci41323048
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