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== 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 10:14:11 PM (PDT) on Tuesday, September 10, 2019.
The magnitude 1.3 event occurred 5 km (3 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 1.3 - duration magnitude (Md)
Time Tuesday, September 10, 2019 at 10:14:11 PM (PDT)
Wednesday, September 11, 2019 at 5:14:11 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) NW (313 degrees)
Cobb, CA - 7 km (4 miles) WSW (256 degrees)
Middletown, CA - 17 km (11 miles) WNW (291 degrees)
Cloverdale, CA - 19 km (12 miles) E (89 degrees)
Kelseyville, CA - 19 km (12 miles) S (169 degrees)
Coordinates 38 deg. 48.5 min. N (38.808N), 122 deg. 47.9 min. W (122.798W)
Depth 3.42 km (2.1 miles)
Quality Excellent
Location Quality Parameters Nst=26, Nph=25, Dmin=0.2 km, Rmss=0.03 sec, Erho=0.23 km, Erzz=0.47 km, Gp=47 degrees
Event ID# nc73268900
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