Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, 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 11:34:54 PM (PDT) on Tuesday, July 18, 2023.
The magnitude 0.4 event occurred 8 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Tuesday, July 18, 2023 at 11:34:54 PM (PDT) Wednesday, July 19, 2023 at 6:34:54 (UTC) |
| Distance from |
The Geysers, CA - 8 km (5 miles) NW (321 degrees) Cobb, CA - 8 km (5 miles) W (278 degrees) Kelseyville, CA - 16 km (10 miles) S (172 degrees) Cloverdale, CA - 18 km (11 miles) E (80 degrees) Soda Bay, CA - 19 km (12 miles) S (187 degrees) |
| Coordinates | 38 deg. 50.0 min. N (38.833N), 122 deg. 48.9 min. W (122.814W) |
| Depth | 1.78 km (1.1 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=24, Nph=28, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.17 km, Erzz=0.39 km, Gp=52 degrees |
| Event ID# | nc73914476 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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