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 4:59:03 AM (PDT) on Thursday, July 31, 2025.
The magnitude 0.9 event occurred 1 km (1 miles) SE of La Habra Heights, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Thursday, July 31, 2025 at 4:59:03 AM (PDT) Thursday, July 31, 2025 at 11:59:03 (UTC) |
| Distance from |
La Habra Heights, CA - 1 km (1 miles) SE (140 degrees) La Habra, CA - 2 km (1 miles) N (10 degrees) Rowland Heights, CA - 4 km (3 miles) SW (232 degrees) Hacienda Heights, CA - 5 km (3 miles) SSE (151 degrees) Brea, CA - 6 km (3 miles) NW (316 degrees) |
| Coordinates | 33 deg. 57.1 min. N (33.952N), 117 deg. 56.5 min. W (117.942W) |
| Depth | 6.90 km (4.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=24, Nph=38, Dmin=1.8 km, Rmss=0.23 sec, Erho=0.37 km, Erzz=0.47 km, Gp=92 degrees |
| Event ID# | ci41249264 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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