Earthquake Report

Magnitude: 1.8
Mon August 4, 2014 12:40PM (PDT)
Event Id: 60835057
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.8 Md (Probable explosion)
Time: Mon August 4, 2014 12:40PM (PDT)
Mon August 4, 2014 19:40 (UTC)
Distance From: 23.1 km ( 14.3 mi) NNW ( 347. azimuth) from Longview, WA
42.1 km ( 26.1 mi) S ( 185. azimuth) from Centralia, WA
61.2 km ( 38.0 mi) WSW ( 247. azimuth) from Morton, WA
Coordinates: 46.339, -123.008
Depth: 0.01 Km (0.01 miles)
Location Quality: Fair
Event Id: 60835057
Horizontal Uncertainty: 1.39 Km
Depth Uncertainty: 31.61 Km
Azimuthal Gap: 309.0 deg
Number of Phases: 4
RMS Misfit: 0.04

Historic Activity

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