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 4:27:36 AM (PDT) on Tuesday, August 26, 2025.
The magnitude 0.9 event occurred 5 km (3 miles) N of Yorba Linda, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Tuesday, August 26, 2025 at 4:27:36 AM (PDT) Tuesday, August 26, 2025 at 11:27:36 (UTC) |
| Distance from |
Yorba Linda, CA - 5 km (3 miles) N (352 degrees) Brea, CA - 8 km (5 miles) ENE (77 degrees) Placentia, CA - 8 km (5 miles) NE (35 degrees) Rowland Heights, CA - 9 km (6 miles) ESE (122 degrees) Chino Hills, CA - 9 km (6 miles) SW (219 degrees) |
| Coordinates | 33 deg. 55.9 min. N (33.931N), 117 deg. 49.2 min. W (117.820W) |
| Depth | 14.41 km (9.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=33, Nph=51, Dmin=1.6 km, Rmss=0.17 sec, Erho=0.32 km, Erzz=0.44 km, Gp=61 degrees |
| Event ID# | ci41275136 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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