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 8:47:33 PM (PDT) on Sunday, August 16, 2026.
The magnitude 1.7 event occurred 21 km (13 miles) N (9 degrees) of Upper Lake, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Sunday, August 16, 2026 at 8:47:33 PM (PDT) Monday, August 17, 2026 at 3:47:33 (UTC) |
| Distance from |
Upper Lake, CA - 21 km (13 miles) N (9 degrees) Nice, CA - 26 km (16 miles) N (355 degrees) North Lakeport, CA - 29 km (18 miles) N (5 degrees) Redwood Valley, CA - 30 km (19 miles) ENE (71 degrees) Lakeport, CA - 35 km (21 miles) N (6 degrees) |
| Coordinates | 39 deg. 21.1 min. N (39.352N), 122 deg. 52.4 min. W (122.873W) |
| Depth | 6.90 km (4.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=3.3 km, Rmss=0.12 sec, Erho=0.52 km, Erzz=1.14999998 km, Gp=79 degrees |
| Event ID# | nc75419827 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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