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 4:37:13 AM (PST) on Monday, November 17, 2025.
The magnitude 0.9 event occurred 8 km (5 miles) N (6 degrees) of Claremont, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Monday, November 17, 2025 at 4:37:13 AM (PST) Monday, November 17, 2025 at 12:37:13 (UTC) |
| Distance from |
Claremont, CA - 8 km (5 miles) N (6 degrees) La Verne, CA - 9 km (6 miles) NE (35 degrees) Montclair, CA - 10 km (6 miles) N (349 degrees) Upland, CA - 10 km (6 miles) NW (324 degrees) San Dimas, CA - 11 km (7 miles) NE (53 degrees) |
| Coordinates | 34 deg. 10.1 min. N (34.168N), 117 deg. 42.6 min. W (117.710W) |
| Depth | 5.01 km (3.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=40, Nph=72, Dmin=4.9 km, Rmss=0.17 sec, Erho=0.18 km, Erzz=0.29 km, Gp=52 degrees |
| Event ID# | ci40486130 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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