Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 9:13:48 PM (PDT) on Friday, August 28, 2026.
The magnitude 1.4 event occurred 7 km (4 miles) ESE of Santa Rosa, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Friday, August 28, 2026 at 9:13:48 PM (PDT) Saturday, August 29, 2026 at 4:13:48 (UTC) |
| Distance from |
Santa Rosa, CA - 7 km (4 miles) ESE (110 degrees) Roseland, CA - 8 km (5 miles) E (86 degrees) Kenwood, CA - 8 km (5 miles) WNW (282 degrees) Rohnert Park, CA - 12 km (7 miles) NNE (32 degrees) Cotati, CA - 13 km (8 miles) NNE (31 degrees) |
| Coordinates | 38 deg. 25.6 min. N (38.427N), 122 deg. 37.9 min. W (122.631W) |
| Depth | 8.43 km (5.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=5.1 km, Rmss=0.07 sec, Erho=0.49 km, Erzz=0.980000019 km, Gp=139 degrees |
| Event ID# | nc75426682 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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