Earthquake Report

Magnitude: 1.0
Thu September 20, 2012 10:10:39 AM (PDT)
Event Id: 60454152
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.0 Md (Probable explosion)
Time: Thu September 20, 2012 10:10:39 AM (PDT)
Thu September 20, 2012 17:10:39 (UTC)
Distance From: 14.1 km ( 8.7 mi) ESE ( 110. azimuth) from Mount Vernon, WA
14.9 km ( 9.2 mi) SSE ( 158. azimuth) from Sedro Woolley, WA
35.4 km ( 22.0 mi) WSW ( 239. azimuth) from Concrete, WA
Coordinates: 48.376, -122.16
Depth: 0.01 Km (0.01 miles)
Location Quality: Fair
Event Id: 60454152
Horizontal Uncertainty: 0.89 Km
Depth Uncertainty: 31.61 Km
Azimuthal Gap: 162.0 deg
Number of Phases: 6
RMS Misfit: 0.15

Historic Activity


Map boundaries

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Cross Section

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