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 #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 11:45:13 AM (PDT) on Tuesday, July 21, 2026.
The magnitude 1.3 event (a probable quarry explosion) occurred 7 km (5 miles) E (87 degrees) of Lebec, CA.
The hypocentral depth is -1 km (-1 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Tuesday, July 21, 2026 at 11:45:13 AM (PDT) Tuesday, July 21, 2026 at 18:45:13 (UTC) |
| Distance from |
Lebec, CA - 7 km (5 miles) E (87 degrees) Gorman, CA - 8 km (5 miles) NE (49 degrees) Frazier Park, CA - 15 km (9 miles) E (80 degrees) Grapevine, CA - 17 km (11 miles) SE (130 degrees) Neenach, CA - 18 km (11 miles) WNW (295 degrees) |
| Coordinates | 34 deg. 50.7 min. N (34.845N), 118 deg. 47.1 min. W (118.785W) |
| Depth | -1.19 km (-0.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=21, Nph=21, Dmin=7.6 km, Rmss=0.23 sec, Erho=0.47 km, Erzz=31.61 km, Gp=51 degrees |
| Event ID# | ci40658906 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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