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 3:30:36 PM (PST) on Wednesday, January 7, 2026.
The magnitude 1.8 event (a probable quarry explosion) occurred 7 km (4 miles) SSE of Home Gardens, CA.
The hypocentral depth is -0.33 km (-0.20 miles).
| Magnitude | 1.8 - local magnitude (Ml) |
| Time | Wednesday, January 7, 2026 at 3:30:36 PM (PST) Wednesday, January 7, 2026 at 23:30:36 (UTC) |
| Distance from |
Home Gardens, CA - 7 km (4 miles) SSE (147 degrees) Corona, CA - 9 km (6 miles) ESE (121 degrees) Norco, CA - 13 km (8 miles) SSE (152 degrees) Woodcrest, CA - 13 km (8 miles) WSW (241 degrees) Riverside, CA - 16 km (10 miles) SSW (210 degrees) |
| Coordinates | 33 deg. 49.5 min. N (33.826N), 117 deg. 28.8 min. W (117.481W) |
| Depth | -0.33 km (-0.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=47, Nph=57, Dmin=3.4 km, Rmss=0.24 sec, Erho=0.27 km, Erzz=31.61 km, Gp=42 degrees |
| Event ID# | ci41154079 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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