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 9:37:06 PM (PDT) on Thursday, June 18, 2026.
The magnitude 2.2 event occurred 15 km (9 miles) NE (34 degrees) of Angwin, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Thursday, June 18, 2026 at 9:37:06 PM (PDT) Friday, June 19, 2026 at 4:37:06 (UTC) |
| Distance from |
Angwin, CA - 15 km (9 miles) NE (34 degrees) Hidden Valley Lake, CA - 22 km (14 miles) SE (127 degrees) Calistoga, CA - 23 km (14 miles) ENE (59 degrees) Saint Helena, CA - 23 km (14 miles) NNE (27 degrees) Middletown, CA - 24 km (15 miles) ESE (108 degrees) |
| Coordinates | 38 deg. 41.2 min. N (38.687N), 122 deg. 21.1 min. W (122.352W) |
| Depth | 6.82 km (4.20 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=5, Nph=5, Dmin=43.6 km, Rmss=0.10 sec, Erho=6.34 km, Erzz=9.21000004 km, Gp=232 degrees |
| Event ID# | nc75379451 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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