Recent Earthquakes in California and Nevada
== PRELIMINARY EVENT 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 is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro quarry occurred at 2:28:58 PM (PDT) on Friday, August 15, 2025.
The magnitude 1.5 event (a probable quarry explosion) occurred 9 km (6 miles) SE of Lucerne Valley, CA.
The hypocentral depth is 0.05 km (0.00 miles).
| Magnitude | 1.5 - local magnitude (Ml) |
| Time | Friday, August 15, 2025 at 2:28:58 PM (PDT) Friday, August 15, 2025 at 21:28:58 (UTC) |
| Distance from |
Lucerne Valley, CA - 9 km (6 miles) SE (126 degrees) Big Bear City, CA - 15 km (10 miles) NNW (345 degrees) Big Bear Lake, CA - 17 km (11 miles) N (7 degrees) Running Springs, CA - 29 km (18 miles) NE (44 degrees) Apple Valley, CA - 30 km (18 miles) ESE (113 degrees) |
| Coordinates | 34 deg. 23.7 min. N (34.396N), 116 deg. 53.3 min. W (116.888W) |
| Depth | 0.05 km (0.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=11, Nph=14, Dmin=15.1 km, Rmss=0.18 sec, Erho=1.2 km, Erzz=0.44 km, Gp=294 degrees |
| Event ID# | ci40399746 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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