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 12:28:28 PM (PDT) on Wednesday, March 11, 2026.
The magnitude 1.3 event (a probable quarry explosion) occurred 7 km (4 miles) WSW of Pala, CA.
The hypocentral depth is -0.44 km (-0.30 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Wednesday, March 11, 2026 at 12:28:28 PM (PDT) Wednesday, March 11, 2026 at 19:28:28 (UTC) |
| Distance from |
Pala, CA - 7 km (4 miles) WSW (239 degrees) Fallbrook, CA - 11 km (7 miles) ESE (115 degrees) Camp Pendleton North, CA - 16 km (10 miles) E (83 degrees) Valley Center, CA - 16 km (10 miles) NW (322 degrees) Vista, CA - 18 km (11 miles) NNE (33 degrees) |
| Coordinates | 33 deg. 20.0 min. N (33.333N), 117 deg. 8.5 min. W (117.141W) |
| Depth | -0.44 km (-0.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=38, Nph=44, Dmin=5.8 km, Rmss=0.28 sec, Erho=0.38 km, Erzz=31.61 km, Gp=59 degrees |
| Event ID# | ci41202519 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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