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== 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 4:25:15 AM (PDT) on Monday, June 29, 2020.
The magnitude 1.6 event occurred 18 km (11 miles) NE (52 degrees) of Upper Lake, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 1.6 - duration magnitude (Md)
Time Monday, June 29, 2020 at 4:25:15 AM (PDT)
Monday, June 29, 2020 at 11:25:15 (UTC)
Distance from Upper Lake, CA - 18 km (11 miles) NE (52 degrees)
Nice, CA - 18 km (11 miles) NNE (30 degrees)
North Lakeport, CA - 24 km (15 miles) NE (36 degrees)
Clearlake Oaks, CA - 27 km (17 miles) NNW (347 degrees)
Lakeport, CA - 29 km (18 miles) NNE (31 degrees)
Coordinates 39 deg. 15.9 min. N (39.265N), 122 deg. 44.5 min. W (122.742W)
Depth 7.8 km (4.8 miles)
Quality Good
Location Quality Parameters Nst=21, Nph=23, Dmin=16.8 km, Rmss=0.1 sec, Erho=0.26 km, Erzz=0.9 km, Gp=84 degrees
Event ID# nc73418906
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