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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:06:58 AM (PST) on Thursday, February 13, 2025.
The magnitude 1.7 event occurred 1 km (1 miles) SSE of Montclair, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.7 - local magnitude (Ml) |
| Time | Thursday, February 13, 2025 at 10:06:58 AM (PST) Thursday, February 13, 2025 at 18:06:58 (UTC) |
| Distance from |
Montclair, CA - 1 km (1 miles) SSE (168 degrees) Claremont, CA - 4 km (3 miles) SE (136 degrees) Upland, CA - 5 km (3 miles) SW (229 degrees) Pomona, CA - 6 km (4 miles) E (82 degrees) Chino, CA - 6 km (4 miles) N (1 degrees) |
| Coordinates | 34 deg. 4.1 min. N (34.069N), 117 deg. 41.3 min. W (117.688W) |
| Depth | 11.22 km (7.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=63, Nph=102, Dmin=1.6 km, Rmss=0.17 sec, Erho=0.16 km, Erzz=0.28 km, Gp=32 degrees |
| Event ID# | ci40185618 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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