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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 6:34:21 PM (PDT) on Wednesday, July 29, 2020.
The magnitude 2.6 event occurred 4 km (3 miles) NNE (24 degrees) of Hamilton City, CA.
The hypocentral depth is 20 km (12 miles).



Magnitude 2.6 - duration magnitude (Md)
Time Wednesday, July 29, 2020 at 6:34:21 PM (PDT)
Thursday, July 30, 2020 at 1:34:21 (UTC)
Distance from Hamilton City, CA - 4 km (3 miles) NNE (24 degrees)
Chico, CA - 14 km (9 miles) WNW (288 degrees)
Orland, CA - 18 km (11 miles) E (79 degrees)
Durham, CA - 22 km (14 miles) NW (312 degrees)
Corning, CA - 23 km (14 miles) SE (136 degrees)
Coordinates 39 deg. 46.7 min. N (39.779N), 121 deg. 59.6 min. W (121.993W)
Depth 20.02 km (12.4 miles)
Quality Excellent
Location Quality Parameters Nst=19, Nph=20, Dmin=18.8 km, Rmss=0.08 sec, Erho=0.25 km, Erzz=1.11 km, Gp=77 degrees
Event ID# nc73435536
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