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

A micro earthquake occurred at 11:53:40 AM (PDT) on Tuesday, August 12, 2025.
The magnitude 1.6 event occurred 31 km (19 miles) ESE of Avalon, CA.
The hypocentral depth is 12 km ( 7 miles).


Magnitude 1.6 - local magnitude (Ml)
Time Tuesday, August 12, 2025 at 11:53:40 AM (PDT)
Tuesday, August 12, 2025 at 18:53:40 (UTC)
Distance from Avalon, CA - 31 km (19 miles) ESE (113 degrees)
Dana Point, CA - 40 km (25 miles) SW (229 degrees)
Laguna Beach, CA - 41 km (26 miles) SSW (213 degrees)
Newport Beach, CA - 44 km (27 miles) S (191 degrees)
Laguna Niguel, CA - 44 km (27 miles) SW (222 degrees)
Coordinates 33 deg. 13.9 min. N (33.231N), 118 deg. 1.4 min. W (118.023W)
Depth 11.92 km (7.40 miles)
Quality Fair
Location Quality Parameters Nst=28, Nph=51, Dmin=31.2 km, Rmss=0.23 sec, Erho=0.44 km, Erzz=2.35 km, Gp=128 degrees
Event ID# ci41259352
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