Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:34:11 PM (PDT) on Thursday, September 9, 2021.
The magnitude 1.6 event occurred 36 km (23 miles) SSW of Smith Valley, NV.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Thursday, September 9, 2021 at 4:34:11 PM (PDT)
Thursday, September 9, 2021 at 23:34:11 (UTC)
Distance from Smith Valley, NV - 36 km (23 miles) SSW (203 degrees)
Smith, NV - 39 km (24 miles) SSW (204 degrees)
Gardnerville Ranchos, NV - 49 km (31 miles) SSE (156 degrees)
Gardnerville, NV - 55 km (34 miles) SSE (158 degrees)
Minden, NV - 57 km (35 miles) SSE (157 degrees)
Coordinates 38 deg. 29.0 min. N (38.483N), 119 deg. 30.6 min. W (119.510W)
Depth 5.34 km (3.3 miles)
Quality Excellent
Location Quality Parameters Nst=15, Nph=20, Dmin=2.2 km, Rmss=0.09 sec, Erho=0.25 km, Erzz=0.31 km, Gp=78 degrees
Event ID# nc73622816
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