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 5:42:16 PM (PDT) on Friday, August 28, 2026.
The magnitude 1.8 event occurred 7 km (4 miles) ESE of Santa Rosa, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Friday, August 28, 2026 at 5:42:16 PM (PDT) Saturday, August 29, 2026 at 0:42:16 (UTC) |
| Distance from |
Santa Rosa, CA - 7 km (4 miles) ESE (110 degrees) Roseland, CA - 8 km (5 miles) E (85 degrees) Kenwood, CA - 8 km (5 miles) WNW (282 degrees) Rohnert Park, CA - 12 km (7 miles) NNE (31 degrees) Cotati, CA - 13 km (8 miles) NNE (30 degrees) |
| Coordinates | 38 deg. 25.7 min. N (38.429N), 122 deg. 38.0 min. W (122.633W) |
| Depth | 9.35 km (5.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=35, Nph=33, Dmin=5.1 km, Rmss=0.09 sec, Erho=0.18 km, Erzz=0.550000012 km, Gp=39 degrees |
| Event ID# | nc75426592 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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