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 3:44:46 PM (PDT) on Tuesday, October 7, 2025.
The magnitude 0.9 event occurred 10 km (6 miles) NNE (29 degrees) of Trabuco Canyon, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Tuesday, October 7, 2025 at 3:44:46 PM (PDT) Tuesday, October 7, 2025 at 22:44:46 (UTC) |
| Distance from |
Trabuco Canyon, CA - 10 km (6 miles) NNE (29 degrees) Foothill Ranch, CA - 13 km (8 miles) ENE (63 degrees) Rancho Santa Margarita, CA - 13 km (8 miles) NNE (31 degrees) Home Gardens, CA - 15 km (10 miles) S (184 degrees) Corona, CA - 15 km (9 miles) SSE (167 degrees) |
| Coordinates | 33 deg. 44.4 min. N (33.740N), 117 deg. 31.9 min. W (117.532W) |
| Depth | 4.04 km (2.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=25, Nph=39, Dmin=9.4 km, Rmss=0.19 sec, Erho=0.24 km, Erzz=0.66 km, Gp=50 degrees |
| Event ID# | ci41104911 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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