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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 9:57:58 AM (PDT) on Wednesday, October 10, 2018.
The magnitude 2.6 event occurred 5 km (3 miles) SE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 2.6 - duration magnitude (Md)
Time Wednesday, October 10, 2018 at 9:57:58 AM (PDT)
Wednesday, October 10, 2018 at 16:57:58 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) SE (125 degrees)
Cobb, CA - 8 km (5 miles) S (169 degrees)
Middletown, CA - 8 km (5 miles) W (267 degrees)
Hidden Valley Lake, CA - 14 km (9 miles) WSW (243 degrees)
Lower Lake, CA - 20 km (12 miles) SSW (205 degrees)
Coordinates 38 deg. 45.0 min. N (38.749N), 122 deg. 42.3 min. W (122.706W)
Depth 0.99 km (0.6 miles)
Quality Excellent
Location Quality Parameters Nst=36, Nph=37, Dmin=1.1 km, Rmss=0.07 sec, Erho=0.2 km, Erzz=0.24 km, Gp=50 degrees
Event ID# nc73095876
Additional Information map || waveforms
  

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