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== PRELIMINARY EARTHQUAKE REPORT ==

Seismological Laboratory, University of Nevada, Reno



Version #664712: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 11:17:40 PM (PST) on Wednesday, November 7, 2018.
The magnitude 1.1 event occurred 15 km (9 miles) WSW of Portola, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 1.1 - local magnitude (Ml)
Time Wednesday, November 7, 2018 at 11:17:40 PM (PST)
Thursday, November 8, 2018 at 7:17:40 (UTC)
Distance from Portola, CA - 15 km (9 miles) WSW (258 degrees)
East Quincy, CA - 28 km (17 miles) SE (128 degrees)
Quincy, CA - 31 km (19 miles) ESE (123 degrees)
Greenville, CA - 48 km (30 miles) SE (146 degrees)
Janesville, CA - 58 km (36 miles) S (190 degrees)
Coordinates 39 deg. 46.9 min. N (39.782N), 120 deg. 38.5 min. W (120.641W)
Depth 6.4 km (4.0 miles)
Quality Poor
Location Quality Parameters Nst=7, Nph=12, Dmin=17.5 km, Rmss=0.198 sec, Erho=0 km, Erzz=6.8 km, Gp=238.25 degrees
Event ID# nn00664712
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