Earthquake Report

Magnitude: 0.5
Tue December 4, 2012 05:48AM (PST)
Event Id: 60491116
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.5 Md
Time: Tue December 4, 2012 05:48AM (PST)
Tue December 4, 2012 13:48 (UTC)
Distance From: 55.2 km ( 34.3 mi) SSE ( 168. azimuth) from Morton, WA
63.8 km ( 39.6 mi) E ( 96. azimuth) from Longview, WA
71.4 km ( 44.3 mi) NNE ( 33. azimuth) from Portland, OR
Coordinates: 46.074, -122.12
Depth: 5.55 Km (3.39 miles)
Location Quality: Excellent
Event Id: 60491116
Horizontal Uncertainty: 0.64 Km
Depth Uncertainty: 0.55 Km
Azimuthal Gap: 253.0 deg
Number of Phases: 10
RMS Misfit: 0.08

Historic Activity


Map boundaries

 The red polygon is the reporting region for  this map; the black polygon is the authoritative region of the PNSN. Events inside the authoritative network are rendered as cirlces; events outside the authoritative region but inside the reporting region are rendered as squares. Explosions are always rendered as stars.  More

Cross Section

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