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 6:48:51 AM (PDT) on Monday, October 20, 2025.
The magnitude 0.7 event occurred 7 km (5 miles) WSW of Palomar Observatory, CA.
The hypocentral depth is 21 km (13 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Monday, October 20, 2025 at 6:48:51 AM (PDT) Monday, October 20, 2025 at 13:48:51 (UTC) |
| Distance from |
Palomar Observatory, CA - 7 km (5 miles) WSW (250 degrees) Pala, CA - 13 km (8 miles) ESE (106 degrees) Aguanga, CA - 14 km (9 miles) SSW (209 degrees) Valley Center, CA - 16 km (10 miles) NE (35 degrees) Lake Henshaw, CA - 19 km (12 miles) WNW (302 degrees) |
| Coordinates | 33 deg. 20.0 min. N (33.333N), 116 deg. 56.3 min. W (116.939W) |
| Depth | 20.82 km (12.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=31, Nph=51, Dmin=7.5 km, Rmss=0.13 sec, Erho=0.17 km, Erzz=0.46 km, Gp=30 degrees |
| Event ID# | ci41111655 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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