2023-08-08 10:17:23 (M4.0) Washington 47.6 -121.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.0 Earthquake - Washington

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 8 Aug 2023 10:17:24 Time near the Epicenter (1): 8 Aug 2023 03:17:24 Time in your area (1): 8 Aug 2023 02:17:24
Location	47.598N 121.797W
Depth	14 km
Distances	7.7 km (4.8 mi) ENE of Fall City, Washington 8.0 km (5.0 mi) NNE of Snoqualmie, Washington 16.2 km (10.0 mi) E of Klahanie, Washington 18.1 km (11.2 mi) E of City of Sammamish, Washington 104.1 km (64.5 mi) NE of Olympia, Washington
Location Uncertainty	Horizontal: 0.2 km; Vertical 0.6 km
Parameters	Nph = 49; Dmin = 12.6 km; Rmss = 0.18 seconds; Gp = 47° Version = 3
Event ID	uw 61939452

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Pacific Northwest Seismic Network
U.S. Geological Survey
University of Washington
http://www.pnsn.org


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