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 #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 9:30:14 PM (PDT) on Tuesday, July 28, 2026.
The magnitude 1.0 event occurred 11 km (7 miles) ESE of Yorba Linda, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Tuesday, July 28, 2026 at 9:30:14 PM (PDT) Wednesday, July 29, 2026 at 4:30:14 (UTC) |
| Distance from |
Yorba Linda, CA - 11 km (7 miles) ESE (105 degrees) Villa Park, CA - 12 km (7 miles) ENE (62 degrees) Corona, CA - 12 km (8 miles) W (267 degrees) Orange, CA - 14 km (9 miles) ENE (61 degrees) North Tustin, CA - 14 km (9 miles) NE (38 degrees) |
| Coordinates | 33 deg. 51.8 min. N (33.864N), 117 deg. 42.0 min. W (117.700W) |
| Depth | 9.28 km (5.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=37, Nph=65, Dmin=1.0 km, Rmss=0.11 sec, Erho=0.15 km, Erzz=0.27 km, Gp=39 degrees |
| Event ID# | ci40662842 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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