Earthquake Report

Magnitude: 0.8
Mon September 3, 2012 09:55:14 AM (PDT)
Event Id: 60460861
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.8 Md
Time: Mon September 3, 2012 09:55:14 AM (PDT)
Mon September 3, 2012 16:55:14 (UTC)
Distance From: 16.2 km ( 10.1 mi) SSW ( 210. azimuth) from Morton, WA
49.2 km ( 30.6 mi) S ( 190. azimuth) from Eatonville, WA
54.2 km ( 33.7 mi) NE ( 53. azimuth) from Longview, WA
Coordinates: 46.433, -122.382
Depth: 10.71 Km (6.53 miles)
Location Quality: Excellent
Event Id: 60460861
Horizontal Uncertainty: 0.37 Km
Depth Uncertainty: 0.84 Km
Azimuthal Gap: 132.0 deg
Number of Phases: 32
RMS Misfit: 0.12

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 12
Plane A Plane B Uncertainty
Strike 335º 202º 15.0º
Dip 70º 28º 30.0º
Rake -110º -47º 15.0º

Discrepant Stations

Station Network Channel Polarity Quality
B201 PB EHZ D 0.98

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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