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

A micro earthquake occurred at 2:05:01 AM (PDT) on Monday, October 5, 2026.
The magnitude 0.9 event occurred 4 km (3 miles) SE of Yorba Linda, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Monday, October 5, 2026 at 2:05:01 AM (PDT)
Monday, October 5, 2026 at 9:05:01 (UTC)
Distance from Yorba Linda, CA - 4 km (3 miles) SE (128 degrees)
Villa Park, CA - 7 km (4 miles) NNE (33 degrees)
Orange, CA - 9 km (5 miles) NE (38 degrees)
Placentia, CA - 9 km (6 miles) E (96 degrees)
Anaheim, CA - 11 km (7 miles) ENE (74 degrees)
Coordinates 33 deg. 51.8 min. N (33.864N), 117 deg. 46.5 min. W (117.775W)
Depth 9.43 km (5.90 miles)
Quality Good
Location Quality Parameters Nst=47, Nph=82, Dmin=4.2 km, Rmss=0.17 sec, Erho=0.21 km, Erzz=0.34 km, Gp=41 degrees
Event ID# ci41343407
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