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 2:39:15 AM (PDT) on Tuesday, September 9, 2025.
The magnitude 1.0 event occurred 4 km (3 miles) WNW of Chatsworth, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Tuesday, September 9, 2025 at 2:39:15 AM (PDT) Tuesday, September 9, 2025 at 9:39:15 (UTC) |
| Distance from |
Chatsworth, CA - 4 km (3 miles) WNW (290 degrees) West Hills, CA - 8 km (5 miles) N (359 degrees) Simi Valley, CA - 9 km (5 miles) E (91 degrees) Canoga Park, CA - 9 km (5 miles) NNW (334 degrees) Northridge, CA - 11 km (7 miles) WNW (290 degrees) |
| Coordinates | 34 deg. 16.2 min. N (34.270N), 118 deg. 38.7 min. W (118.646W) |
| Depth | 9.60 km (6.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=22, Nph=37, Dmin=3.8 km, Rmss=0.19 sec, Erho=0.31 km, Erzz=0.52 km, Gp=77 degrees |
| Event ID# | ci41286904 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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