Earthquake Report

Magnitude: 1.6
Wed September 5, 2012 07:26AM (PDT)
Event Id: 60461456
Version #7: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.6 Md
Time: Wed September 5, 2012 07:26AM (PDT)
Wed September 5, 2012 14:26 (UTC)
Distance From: 21.7 km ( 13.5 mi) WSW ( 237. azimuth) from Astoria, OR
71.3 km ( 44.3 mi) NNW ( 346. azimuth) from Tillamook, OR
87.2 km ( 54.2 mi) W ( 266. azimuth) from Longview, WA
Coordinates: 46.078, -124.07
Depth: 15.0 Km (9.15 miles)
Location Quality: Fair
Event Id: 60461456
Horizontal Uncertainty: 2.3 Km
Depth Uncertainty: 31.61 Km
Azimuthal Gap: 206.0 deg
Number of Phases: 23
RMS Misfit: 0.5

Historic Activity


Focal Mechanism

More Information

Solution 1

Number of P First Motions: 10
Plane A Plane B Uncertainty
Strike 325º 55º 15.0º
Dip 90º 50º 43.0º
Rake 140º 60.0º

Discrepant Stations

Station Network Channel Polarity Quality

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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