Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:34:31 PM (PDT) on Saturday, July 15, 2023.
The magnitude 1.2 event occurred 8 km (5 miles) SW of Tamalpais-Homestead Valley, CA.
The hypocentral depth is 6 km ( 3 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Saturday, July 15, 2023 at 7:34:31 PM (PDT) Sunday, July 16, 2023 at 2:34:31 (UTC) |
| Distance from |
Tamalpais-Homestead Valley, CA - 8 km (5 miles) SW (231 degrees) Mill Valley, CA - 10 km (6 miles) SW (214 degrees) Marin City, CA - 10 km (6 miles) WSW (245 degrees) Bolinas, CA - 11 km (7 miles) SE (142 degrees) Strawberry, CA - 11 km (7 miles) SW (231 degrees) |
| Coordinates | 37 deg. 49.9 min. N (37.831N), 122 deg. 36.6 min. W (122.609W) |
| Depth | 5.54 km (3.4 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=29, Nph=32, Dmin=10.2 km, Rmss=0.07 sec, Erho=0.39 km, Erzz=0.48 km, Gp=157 degrees |
| Event ID# | nc73913476 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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