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 1:02:31 PM (PST) on Monday, February 17, 2025.
The magnitude 1.1 event occurred 1 km (1 miles) SE of San Dimas, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Monday, February 17, 2025 at 1:02:31 PM (PST) Monday, February 17, 2025 at 21:02:31 (UTC) |
| Distance from |
San Dimas, CA - 1 km (1 miles) SE (131 degrees) La Verne, CA - 3 km (2 miles) W (264 degrees) Charter Oak, CA - 5 km (3 miles) E (96 degrees) Pomona, CA - 6 km (3 miles) NW (319 degrees) Claremont, CA - 7 km (4 miles) W (272 degrees) |
| Coordinates | 34 deg. 5.9 min. N (34.099N), 117 deg. 47.7 min. W (117.795W) |
| Depth | 6.40 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=13, Nph=18, Dmin=10.3 km, Rmss=0.29 sec, Erho=0.58 km, Erzz=1.4 km, Gp=99 degrees |
| Event ID# | ci40187826 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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