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 1:33:14 PM (PDT) on Friday, March 13, 2026.
The magnitude 1.0 event occurred 3 km (2 miles) E (98 degrees) of Brea, CA.
The hypocentral depth is 15 km ( 9 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Friday, March 13, 2026 at 1:33:14 PM (PDT)
Friday, March 13, 2026 at 20:33:14 (UTC)
Distance from Brea, CA - 3 km (2 miles) E (98 degrees)
Placentia, CA - 4 km (3 miles) N (8 degrees)
Yorba Linda, CA - 5 km (3 miles) WNW (299 degrees)
Fullerton, CA - 7 km (4 miles) ENE (59 degrees)
La Habra, CA - 8 km (5 miles) ESE (106 degrees)
Coordinates 33 deg. 54.7 min. N (33.912N), 117 deg. 51.8 min. W (117.864W)
Depth 14.53 km (9.00 miles)
Quality Good
Location Quality Parameters Nst=19, Nph=33, Dmin=5.8 km, Rmss=0.14 sec, Erho=0.41 km, Erzz=0.47 km, Gp=166 degrees
Event ID# ci41203759
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