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 event has been reviewed by a seismologist.
A micro quarry occurred at 9:39:56 AM (PDT) on Friday, April 24, 2026.
The magnitude 1.1 event (a probable quarry explosion) occurred 9 km (5 miles) NNW of Big Bear Lake, CA.
The hypocentral depth is -2 km (-1 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Friday, April 24, 2026 at 9:39:56 AM (PDT) Friday, April 24, 2026 at 16:39:56 (UTC) |
| Distance from |
Big Bear Lake, CA - 9 km (5 miles) NNW (347 degrees) Big Bear City, CA - 10 km (7 miles) NW (310 degrees) Lucerne Valley, CA - 14 km (9 miles) SSE (167 degrees) Running Springs, CA - 21 km (13 miles) NE (52 degrees) Lake Arrowhead, CA - 25 km (16 miles) ENE (71 degrees) |
| Coordinates | 34 deg. 19.3 min. N (34.322N), 116 deg. 56.0 min. W (116.933W) |
| Depth | -1.75 km (-1.10 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=14, Dmin=6.7 km, Rmss=0.21 sec, Erho=0.55 km, Erzz=31.61 km, Gp=117 degrees |
| Event ID# | ci41233655 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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