Earthquake Report

Magnitude: 0.2
Tue August 28, 2012 06:57:55 PM (PDT)
Event Id: 60458626
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.2 Md
Time: Tue August 28, 2012 06:57:55 PM (PDT)
Wed August 29, 2012 01:57:55 (UTC)
Distance From: 42.4 km ( 26.3 mi) S ( 185. azimuth) from Morton, WA
47.7 km ( 29.6 mi) E ( 84. azimuth) from Longview, WA
75.1 km ( 46.7 mi) NNE ( 18. azimuth) from Portland, OR
Coordinates: 46.179, -122.326
Depth: 9.02 Km (5.5 miles)
Location Quality: Excellent
Event Id: 60458626
Horizontal Uncertainty: 0.45 Km
Depth Uncertainty: 0.74 Km
Azimuthal Gap: 106.0 deg
Number of Phases: 16
RMS Misfit: 0.14

Historic Activity

60458626

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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