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 #3: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 10:15:43 AM (PST) on Sunday, February 15, 2026.
The magnitude 1.3 event occurred 4 km (3 miles) SE of Ontario, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Sunday, February 15, 2026 at 10:15:43 AM (PST) Sunday, February 15, 2026 at 18:15:43 (UTC) |
| Distance from |
Ontario, CA - 4 km (3 miles) SE (140 degrees) Chino, CA - 8 km (5 miles) E (80 degrees) Mira Loma, CA - 8 km (5 miles) WNW (295 degrees) Upland, CA - 9 km (6 miles) SSE (151 degrees) Montclair, CA - 10 km (6 miles) SE (125 degrees) |
| Coordinates | 34 deg. 1.5 min. N (34.025N), 117 deg. 36.0 min. W (117.600W) |
| Depth | 4.13 km (2.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=61, Nph=110, Dmin=1.2 km, Rmss=0.16 sec, Erho=0.14 km, Erzz=0.28 km, Gp=33 degrees |
| Event ID# | ci41398704 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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