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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 4:12:01 PM (PST) on Monday, February 11, 2019.
The magnitude 1.2 event occurred 3 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 1.2 - duration magnitude (Md)
Time Monday, February 11, 2019 at 4:12:01 PM (PST)
Tuesday, February 12, 2019 at 0:12:01 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) NW (318 degrees)
Cobb, CA - 6 km (3 miles) WSW (240 degrees)
Middletown, CA - 15 km (9 miles) WNW (289 degrees)
Lower Lake, CA - 19 km (12 miles) SW (229 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (266 degrees)
Coordinates 38 deg. 47.8 min. N (38.797N), 122 deg. 46.7 min. W (122.779W)
Depth 2.78 km (1.7 miles)
Quality Excellent
Location Quality Parameters Nst=19, Nph=19, Dmin=0.9 km, Rmss=0.04 sec, Erho=0.25 km, Erzz=0.55 km, Gp=70 degrees
Event ID# nc73140880
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