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 1:00:01 PM (PDT) on Tuesday, June 23, 2026.
The magnitude 1.8 event occurred 9 km (5 miles) WSW of Cotati, CA.
The hypocentral depth is -0.03 km (-0.00 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Tuesday, June 23, 2026 at 1:00:01 PM (PDT) Tuesday, June 23, 2026 at 20:00:01 (UTC) |
| Distance from |
Cotati, CA - 9 km (5 miles) WSW (254 degrees) Rohnert Park, CA - 10 km (6 miles) WSW (247 degrees) Sebastopol, CA - 11 km (7 miles) S (170 degrees) Penngrove, CA - 12 km (7 miles) W (273 degrees) Roseland, CA - 14 km (9 miles) SSW (206 degrees) |
| Coordinates | 38 deg. 18.3 min. N (38.305N), 122 deg. 48.1 min. W (122.801W) |
| Depth | -0.03 km (-0.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=6.9 km, Rmss=0.15 sec, Erho=0.86 km, Erzz=2.98000002 km, Gp=163 degrees |
| Event ID# | nc75382381 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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