Earthquake Report

Magnitude: 1.8
Sat November 23, 2013 03:34:43 PM (PST)
Event Id: 60636906
Version #6: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.8 Ml
Time: Sat November 23, 2013 03:34:43 PM (PST)
Sat November 23, 2013 23:34:43 (UTC)
Distance From: 43.7 km ( 27.1 mi) NE ( 42. azimuth) from Portland, OR
63.7 km ( 39.6 mi) ESE ( 123. azimuth) from Longview, WA
71.8 km ( 44.6 mi) NNE ( 29. azimuth) from Canby, OR
Coordinates: 45.829, -122.247
Depth: 13.67 Km (8.34 miles)
Location Quality: Excellent
Event Id: 60636906
Horizontal Uncertainty: 0.34 Km
Depth Uncertainty: 0.98 Km
Azimuthal Gap: 76.0 deg
Number of Phases: 30
RMS Misfit: 0.11

Historic Activity

Focal Mechanism

More Information

Solution 1

Uw60636906.uwfm1
Number of P First Motions: 14
Plane A Plane B Uncertainty
Strike 105º 358º 15.0º
Dip 75º 42º 25.0º
Rake 50º 157º 10.0º

Discrepant Stations

Station Network Channel Polarity Quality
SWF2 CC BHZ U 0.92
RVW UW EHZ D 0.92
ELK UW EHZ U 0.98
VG2 UW EHZ D 0.92

Solution 2

Uw60636906.uwfm2
Number of P First Motions: 14
Plane A Plane B Uncertainty
Strike 325º 165º 10.0º
Dip 85º 23.0º
Rake 70º 92º 20.0º

Discrepant Stations

Station Network Channel Polarity Quality
SWF2 CC BHZ U 0.92
RVW UW EHZ D 0.92
ELK UW EHZ U 0.98
VG2 UW EHZ D 0.92
60636906

Station

Code, or name, to designate a particular seismic station