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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 1:44:31 PM (PDT) on Tuesday, September 15, 2026.
The magnitude 1.3 event (a probable quarry explosion) occurred 8 km (5 miles) SW of Beaumont, CA.
The hypocentral depth is -1 km (-0.40 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Tuesday, September 15, 2026 at 1:44:31 PM (PDT) Tuesday, September 15, 2026 at 20:44:31 (UTC) |
| Distance from |
Beaumont, CA - 8 km (5 miles) SW (223 degrees) Calimesa, CA - 12 km (8 miles) S (173 degrees) Nuevo, CA - 13 km (8 miles) NE (50 degrees) San Jacinto, CA - 13 km (8 miles) NW (325 degrees) Green Acres, CA - 16 km (10 miles) NNE (13 degrees) |
| Coordinates | 33 deg. 52.6 min. N (33.877N), 117 deg. 2.2 min. W (117.036W) |
| Depth | -0.60 km (-0.40 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=34, Nph=40, Dmin=7.2 km, Rmss=0.25 sec, Erho=0.35 km, Erzz=31.61 km, Gp=38 degrees |
| Event ID# | ci41333279 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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