Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:09:41 PM (PDT) on Thursday, July 20, 2023.
The magnitude 1.1 event occurred 8 km (5 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Thursday, July 20, 2023 at 4:09:41 PM (PDT) Thursday, July 20, 2023 at 23:09:41 (UTC) |
| Distance from |
Cobb, CA - 8 km (5 miles) WNW (288 degrees) The Geysers, CA - 9 km (6 miles) NW (326 degrees) Kelseyville, CA - 15 km (9 miles) S (172 degrees) Soda Bay, CA - 17 km (11 miles) S (188 degrees) Cloverdale, CA - 18 km (11 miles) ENE (75 degrees) |
| Coordinates | 38 deg. 50.8 min. N (38.846N), 122 deg. 48.9 min. W (122.816W) |
| Depth | 1.7 km (1.1 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=41, Nph=50, Dmin=1.2 km, Rmss=0.04 sec, Erho=0.12 km, Erzz=0.18 km, Gp=44 degrees |
| Event ID# | nc73915056 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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