Earthquake Report

Magnitude: 1.1
Wed October 3, 2012 05:59PM (PDT)
Event Id: 60472251
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.1 Md
Time: Wed October 3, 2012 05:59PM (PDT)
Thu October 4, 2012 00:59 (UTC)
Distance From: 33.3 km ( 20.7 mi) NW ( 313. azimuth) from Portland, OR
44.3 km ( 27.5 mi) S ( 179. azimuth) from Longview, WA
48.9 km ( 30.4 mi) N ( 4. azimuth) from Newberg, OR
Coordinates: 45.739, -122.933
Depth: 10.77 Km (6.57 miles)
Location Quality: Fair
Event Id: 60472251
Horizontal Uncertainty: 0.74 Km
Depth Uncertainty: 16.14 Km
Azimuthal Gap: 176.0 deg
Number of Phases: 21
RMS Misfit: 0.22

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60472251.uwfm1
Number of P First Motions: 10
Plane A Plane B Uncertainty
Strike 15º 240º 5.0º
Dip 55º 45º 23.0º
Rake -120º -54º 15.0º

Discrepant Stations

Station Network Channel Polarity Quality
NLO UW EHZ U 0.92

Solution 2

Uw60472251.uwfm2
Number of P First Motions: 10
Plane A Plane B Uncertainty
Strike 65º 194º 8.0º
Dip 15º 80º 25.0º
Rake -40º -102º 10.0º

Discrepant Stations

Station Network Channel Polarity Quality
NLO UW EHZ U 0.92
60472251

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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