Earthquake Report

Magnitude: 0.9
Sat August 25, 2012 12:51:11 PM (PDT)
Event Id: 60457591
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.9 Md
Time: Sat August 25, 2012 12:51:11 PM (PDT)
Sat August 25, 2012 19:51:11 (UTC)
Distance From: 7.1 km ( 4.4 mi) WSW ( 240. azimuth) from Morton, WA
38.5 km ( 24.0 mi) S ( 190. azimuth) from Eatonville, WA
50.7 km ( 31.5 mi) ESE ( 115. azimuth) from Centralia, WA
Coordinates: 46.527, -122.356
Depth: 20.94 Km (12.77 miles)
Location Quality: Excellent
Event Id: 60457591
Horizontal Uncertainty: 0.72 Km
Depth Uncertainty: 0.9 Km
Azimuthal Gap: 140.0 deg
Number of Phases: 22
RMS Misfit: 0.14

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 11
Plane A Plane B Uncertainty
Strike 175º 318º 40.0º
Dip 40º 56º 30.0º
Rake 120º 67º 55.0º

Discrepant Stations

Station Network Channel Polarity Quality
B941 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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