Earthquake Report

Magnitude: 0.5
Tue December 11, 2012 10:41:44 AM (PST)
Event Id: 60492846
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.5 Md (Probable explosion)
Time: Tue December 11, 2012 10:41:44 AM (PST)
Tue December 11, 2012 18:41:44 (UTC)
Distance From: 57.2 km ( 35.6 mi) ESE ( 107. azimuth) from Longview, WA
58.7 km ( 36.4 mi) NNE ( 31. azimuth) from Portland, OR
63.5 km ( 39.5 mi) S ( 177. azimuth) from Morton, WA
Coordinates: 45.988, -122.232
Depth: 0.01 Km (0.01 miles)
Location Quality: Fair
Event Id: 60492846
Horizontal Uncertainty: 1.33 Km
Depth Uncertainty: 31.61 Km
Azimuthal Gap: 285.0 deg
Number of Phases: 8
RMS Misfit: 0.13

Historic Activity

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60492846

Map boundaries

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