Earthquake Report

Magnitude: 1.1
Thu September 13, 2012 04:52:57 AM (PDT)
Event Id: 60451197
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.1 Md
Time: Thu September 13, 2012 04:52:57 AM (PDT)
Thu September 13, 2012 11:52:57 (UTC)
Distance From: 12.9 km ( 8.0 mi) W ( 268. azimuth) from Morton, WA
37.4 km ( 23.2 mi) SSW ( 201. azimuth) from Eatonville, WA
43.4 km ( 26.9 mi) ESE ( 115. azimuth) from Centralia, WA
Coordinates: 46.554, -122.443
Depth: 16.62 Km (10.14 miles)
Location Quality: Excellent
Event Id: 60451197
Horizontal Uncertainty: 0.36 Km
Depth Uncertainty: 0.83 Km
Azimuthal Gap: 96.0 deg
Number of Phases: 31
RMS Misfit: 0.16

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 17
Plane A Plane B Uncertainty
Strike 85º 185º 30.0º
Dip 15º 87º 20.0º
Rake 170º 75º 55.0º

Discrepant Stations

Station Network Channel Polarity Quality
B013 PB EHZ U 0.92

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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