Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE 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 earthquake occurred at 8:43:30 AM (PDT) on Sunday, April 5, 2026.
The magnitude 0.9 event occurred 10 km (6 miles) N of Rancho Cucamonga, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Sunday, April 5, 2026 at 8:43:30 AM (PDT) Sunday, April 5, 2026 at 15:43:30 (UTC) |
| Distance from |
Rancho Cucamonga, CA - 10 km (6 miles) N (356 degrees) Lytle Creek, CA - 10 km (6 miles) SW (235 degrees) Upland, CA - 14 km (8 miles) NNE (25 degrees) Claremont, CA - 17 km (11 miles) NE (44 degrees) Montclair, CA - 17 km (11 miles) NNE (33 degrees) |
| Coordinates | 34 deg. 12.5 min. N (34.209N), 117 deg. 35.2 min. W (117.587W) |
| Depth | 12.05 km (7.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=26, Nph=46, Dmin=7.4 km, Rmss=0.13 sec, Erho=0.25 km, Erzz=0.46 km, Gp=64 degrees |
| Event ID# | ci41433168 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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