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 #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 earthquake occurred at 8:33:12 AM (PST) on Friday, November 28, 2025.
The magnitude 1.1 event occurred 9 km (6 miles) ENE (76 degrees) of Villa Park, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Friday, November 28, 2025 at 8:33:12 AM (PST)
Friday, November 28, 2025 at 16:33:12 (UTC)
Distance from Villa Park, CA - 9 km (6 miles) ENE (76 degrees)
North Tustin, CA - 10 km (6 miles) NE (42 degrees)
Orange, CA - 11 km (7 miles) ENE (72 degrees)
Yorba Linda, CA - 11 km (7 miles) SE (126 degrees)
Tustin, CA - 14 km (9 miles) NE (45 degrees)
Coordinates 33 deg. 50.0 min. N (33.833N), 117 deg. 43.2 min. W (117.720W)
Depth 7.91 km (4.90 miles)
Quality Good
Location Quality Parameters Nst=49, Nph=83, Dmin=6.5 km, Rmss=0.17 sec, Erho=0.2 km, Erzz=0.47 km, Gp=46 degrees
Event ID# ci41128823
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