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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 5:41:06 PM (PST) on Monday, November 17, 2025.
The magnitude 1.0 event occurred 9 km (5 miles) N (6 degrees) of Claremont, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Monday, November 17, 2025 at 5:41:06 PM (PST) Tuesday, November 18, 2025 at 1:41:06 (UTC) |
| Distance from |
Claremont, CA - 9 km (5 miles) N (6 degrees) La Verne, CA - 10 km (6 miles) NE (34 degrees) Upland, CA - 10 km (6 miles) NW (326 degrees) Montclair, CA - 11 km (7 miles) N (350 degrees) San Dimas, CA - 12 km (7 miles) NE (50 degrees) |
| Coordinates | 34 deg. 10.4 min. N (34.173N), 117 deg. 42.6 min. W (117.710W) |
| Depth | 6.71 km (4.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=23, Nph=39, Dmin=4.4 km, Rmss=0.17 sec, Erho=0.23 km, Erzz=0.47 km, Gp=56 degrees |
| Event ID# | ci41123287 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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