Earthquake Report

Magnitude: 1.5
Fri August 17, 2012 03:29:29 AM (PDT)
Event Id: 60441012
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.5 Md
Time: Fri August 17, 2012 03:29:29 AM (PDT)
Fri August 17, 2012 10:29:29 (UTC)
Distance From: 10.6 km ( 6.6 mi) NNW ( 335. azimuth) from Portland, OR
39.9 km ( 24.8 mi) N ( 2. azimuth) from Canby, OR
42.5 km ( 26.4 mi) NNE ( 33. azimuth) from Newberg, OR
Coordinates: 45.622, -122.677
Depth: 12.98 Km (7.92 miles)
Location Quality: Excellent
Event Id: 60441012
Horizontal Uncertainty: 0.25 Km
Depth Uncertainty: 0.31 Km
Azimuthal Gap: 104.0 deg
Number of Phases: 27
RMS Misfit: 0.1

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 13
Plane A Plane B Uncertainty
Strike 35º 267º 15.0º
Dip 20º 77º 30.0º
Rake 40º 106º 40.0º

Discrepant Stations

Station Network Channel Polarity Quality
B204 PB EHZ D 0.92
E04D TA BHZ 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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