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 5:42:45 AM (PDT) on Thursday, July 20, 2023.
The magnitude 1.1 event occurred 7 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Thursday, July 20, 2023 at 5:42:45 AM (PDT) Thursday, July 20, 2023 at 12:42:45 (UTC) |
| Distance from |
The Geysers, CA - 7 km (5 miles) NW (309 degrees) Cobb, CA - 9 km (5 miles) W (268 degrees) Cloverdale, CA - 17 km (11 miles) E (85 degrees) Kelseyville, CA - 18 km (11 miles) S (175 degrees) Middletown, CA - 19 km (12 miles) WNW (292 degrees) |
| Coordinates | 38 deg. 49.1 min. N (38.819N), 122 deg. 49.3 min. W (122.822W) |
| Depth | 2.35 km (1.5 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=24, Nph=24, Dmin=1.1 km, Rmss=0.02 sec, Erho=0.22 km, Erzz=0.37 km, Gp=47 degrees |
| Event ID# | nc73914961 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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