Earthquake Report

Magnitude: 1.5
Thu August 9, 2012 02:37PM (PDT)
Event Id: 60438042
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.5 Md (Probable explosion)
Time: Thu August 9, 2012 02:37PM (PDT)
Thu August 9, 2012 21:37 (UTC)
Distance From: 22.4 km ( 13.9 mi) SW ( 231. azimuth) from Longview, WA
55.0 km ( 34.2 mi) ESE ( 111. azimuth) from Astoria, OR
67.7 km ( 42.1 mi) NW ( 321. azimuth) from Portland, OR
Coordinates: 46.01, -123.168
Depth: 0.01 Km (0.01 miles)
Location Quality: Fair
Event Id: 60438042
Horizontal Uncertainty: 0.89 Km
Depth Uncertainty: 31.61 Km
Azimuthal Gap: 154.0 deg
Number of Phases: 12
RMS Misfit: 0.25

Historic Activity

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60438042