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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 1:40:52 PM (PDT) on Sunday, August 16, 2026.
The magnitude 0.7 event occurred 6 km (4 miles) SE of Ontario, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Sunday, August 16, 2026 at 1:40:52 PM (PDT) Sunday, August 16, 2026 at 20:40:52 (UTC) |
| Distance from |
Ontario, CA - 6 km (4 miles) SE (134 degrees) Mira Loma, CA - 7 km (4 miles) WNW (293 degrees) Glen Avon, CA - 9 km (6 miles) W (273 degrees) Chino, CA - 10 km (6 miles) E (88 degrees) Norco, CA - 10 km (6 miles) NNW (342 degrees) |
| Coordinates | 34 deg. 0.9 min. N (34.016N), 117 deg. 34.9 min. W (117.582W) |
| Depth | 5.63 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=22, Nph=34, Dmin=2.2 km, Rmss=0.15 sec, Erho=0.23 km, Erzz=0.35 km, Gp=62 degrees |
| Event ID# | ci40674018 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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