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 12:01:16 PM (PDT) on Friday, March 21, 2025.
The magnitude 0.9 event (a probable quarry explosion) occurred 2 km (1 miles) ESE of Home Gardens, CA.
The hypocentral depth is -0.48 km (-0.30 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Friday, March 21, 2025 at 12:01:16 PM (PDT) Friday, March 21, 2025 at 19:01:16 (UTC) |
| Distance from |
Home Gardens, CA - 2 km (1 miles) ESE (105 degrees) Corona, CA - 6 km (4 miles) E (86 degrees) Norco, CA - 8 km (5 miles) SE (146 degrees) Pedley, CA - 12 km (7 miles) SSW (192 degrees) Mira Loma, CA - 13 km (8 miles) S (174 degrees) |
| Coordinates | 33 deg. 52.4 min. N (33.874N), 117 deg. 30.1 min. W (117.501W) |
| Depth | -0.48 km (-0.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=26, Nph=31, Dmin=5.5 km, Rmss=0.22 sec, Erho=0.35 km, Erzz=31.61 km, Gp=44 degrees |
| Event ID# | ci40906423 |
| Additional Information | Map Waveforms |
For more information, see https://earthquake.usgs.gov
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