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 is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 9:57:49 AM (PDT) on Thursday, July 24, 2025.
The magnitude 1.4 event occurred 5 km (3 miles) NE (38 degrees) of Yorba Linda, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Thursday, July 24, 2025 at 9:57:49 AM (PDT) Thursday, July 24, 2025 at 16:57:49 (UTC) |
| Distance from |
Yorba Linda, CA - 5 km (3 miles) NE (38 degrees) Chino Hills, CA - 8 km (5 miles) SSW (192 degrees) Brea, CA - 11 km (7 miles) E (84 degrees) Placentia, CA - 11 km (7 miles) NE (55 degrees) Diamond Bar, CA - 12 km (7 miles) SSE (164 degrees) |
| Coordinates | 33 deg. 55.6 min. N (33.927N), 117 deg. 46.6 min. W (117.776W) |
| Depth | 6.84 km (4.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=43, Nph=73, Dmin=2.5 km, Rmss=0.2 sec, Erho=0.22 km, Erzz=0.42 km, Gp=46 degrees |
| Event ID# | ci41031135 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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