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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 8:23:28 AM (PST) on Thursday, March 5, 2026.
The magnitude 1.1 event (a probable quarry explosion) occurred 8 km (5 miles) N of Big Bear City, CA.
The hypocentral depth is -2 km (-1 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Thursday, March 5, 2026 at 8:23:28 AM (PST) Thursday, March 5, 2026 at 16:23:28 (UTC) |
| Distance from |
Big Bear City, CA - 8 km (5 miles) N (358 degrees) Big Bear Lake, CA - 12 km (7 miles) NNE (30 degrees) Lucerne Valley, CA - 16 km (10 miles) SE (138 degrees) Running Springs, CA - 28 km (17 miles) ENE (60 degrees) Lake Arrowhead, CA - 33 km (20 miles) ENE (73 degrees) |
| Coordinates | 34 deg. 20.0 min. N (34.334N), 116 deg. 50.8 min. W (116.847W) |
| Depth | -1.74 km (-1.10 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=10, Dmin=2.4 km, Rmss=0.12 sec, Erho=0.41 km, Erzz=31.61 km, Gp=101 degrees |
| Event ID# | ci41197951 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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