Earthquake Report

Magnitude: 1.5
Wed October 3, 2012 04:24PM (PDT)
Event Id: 60472176
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.5 Md
Time: Wed October 3, 2012 04:24PM (PDT)
Wed October 3, 2012 23:24 (UTC)
Distance From: 25.8 km ( 16.0 mi) N ( 355. azimuth) from Portland, OR
46.9 km ( 29.2 mi) SSE ( 151. azimuth) from Longview, WA
56.0 km ( 34.8 mi) N ( 3. azimuth) from Canby, OR
Coordinates: 45.766, -122.651
Depth: 15.01 Km (9.16 miles)
Location Quality: Excellent
Event Id: 60472176
Horizontal Uncertainty: 0.49 Km
Depth Uncertainty: 1.42 Km
Azimuthal Gap: 132.0 deg
Number of Phases: 23
RMS Misfit: 0.16

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60472176.uwfm1
Number of P First Motions: 13
Plane A Plane B Uncertainty
Strike 290º 174º 43.0º
Dip 85º 11º 3.0º
Rake -100º -27º 10.0º

Discrepant Stations

Station Network Channel Polarity Quality
SEP CC EHZ D 0.92
B201 PB EHZ D 0.92

Solution 2

Uw60472176.uwfm2
Number of P First Motions: 13
Plane A Plane B Uncertainty
Strike 80º 230º 48.0º
Dip 10º 81º 8.0º
Rake -60º -95º 60.0º

Discrepant Stations

Station Network Channel Polarity Quality
FL2 UW EHZ D 0.92
HSR UW EHZ U 0.92
SWFL CC BHZ U 0.92
B201 PB EHZ D 0.92
60472176

Station

Code, or name, to designate a particular seismic station