Earthquake Report

Magnitude: 0.4
Wed September 5, 2012 11:13:02 PM (PDT)
Event Id: 60461806
Version #7: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.4 Md
Time: Wed September 5, 2012 11:13:02 PM (PDT)
Thu September 6, 2012 06:13:02 (UTC)
Distance From: 40.6 km ( 25.2 mi) S ( 170. azimuth) from Morton, WA
58.7 km ( 36.5 mi) E ( 83. azimuth) from Longview, WA
74.6 km ( 46.4 mi) S ( 175. azimuth) from Eatonville, WA
Coordinates: 46.199, -122.185
Depth: 3.54 Km (2.16 miles)
Location Quality: Excellent
Event Id: 60461806
Horizontal Uncertainty: 0.35 Km
Depth Uncertainty: 0.44 Km
Azimuthal Gap: 63.0 deg
Number of Phases: 19
RMS Misfit: 0.09

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 10
Plane A Plane B Uncertainty
Strike 45º 314º 13.0º
Dip 85º 80º 25.0º
Rake -170º -5º 25.0º

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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