Earthquake Report

Magnitude: 0.7
Thu July 26, 2012 09:50:03 AM (PDT)
Event Id: 60445456
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.7 Md
Time: Thu July 26, 2012 09:50:03 AM (PDT)
Thu July 26, 2012 16:50:03 (UTC)
Distance From: 43.3 km ( 26.9 mi) ESE ( 107. azimuth) from Longview, WA
56.5 km ( 35.1 mi) NNE ( 17. azimuth) from Portland, OR
60.6 km ( 37.7 mi) S ( 190. azimuth) from Morton, WA
Coordinates: 46.021, -122.406
Depth: 17.11 Km (10.44 miles)
Location Quality: Excellent
Event Id: 60445456
Horizontal Uncertainty: 0.51 Km
Depth Uncertainty: 0.64 Km
Azimuthal Gap: 195.0 deg
Number of Phases: 19
RMS Misfit: 0.1

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 12
Plane A Plane B Uncertainty
Strike 55º 186º 25.0º
Dip 60º 41º 13.0º
Rake 120º 49º 10.0º

Discrepant Stations


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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