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 1:39:55 AM (PDT) on Thursday, September 18, 2025.
The magnitude 0.8 event occurred 5 km (3 miles) ESE of Lake Henshaw, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Thursday, September 18, 2025 at 1:39:55 AM (PDT) Thursday, September 18, 2025 at 8:39:55 (UTC) |
| Distance from |
Lake Henshaw, CA - 5 km (3 miles) ESE (120 degrees) Warner Springs, CA - 10 km (6 miles) SW (225 degrees) Julian, CA - 18 km (11 miles) NW (326 degrees) Palomar Observatory, CA - 21 km (13 miles) SE (138 degrees) Ramona, CA - 24 km (15 miles) NE (37 degrees) |
| Coordinates | 33 deg. 13.0 min. N (33.217N), 116 deg. 42.7 min. W (116.712W) |
| Depth | 9.44 km (5.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=40, Nph=73, Dmin=4.8 km, Rmss=0.17 sec, Erho=0.18 km, Erzz=0.39 km, Gp=33 degrees |
| Event ID# | ci40443242 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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