Earthquake Report

Magnitude: 1.2
Mon August 6, 2012 09:58AM (PDT)
Event Id: 60450001
Version #2: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.2 Md
Time: Mon August 6, 2012 09:58AM (PDT)
Mon August 6, 2012 16:58 (UTC)
Distance From: 47.4 km ( 29.4 mi) NNE ( 22. azimuth) from Portland, OR
48.1 km ( 29.9 mi) ESE ( 118. azimuth) from Longview, WA
70.4 km ( 43.7 mi) S ( 187. azimuth) from Morton, WA
Coordinates: 45.931, -122.394
Depth: 19.21 Km (11.72 miles)
Location Quality: Excellent
Event Id: 60450001
Horizontal Uncertainty: 0.45 Km
Depth Uncertainty: 0.8 Km
Azimuthal Gap: 125.0 deg
Number of Phases: 29
RMS Misfit: 0.14

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60450001.uwfm1
Number of P First Motions: 18
Plane A Plane B Uncertainty
Strike 80º 320º 50.0º
Dip 88º 23.0º
Rake -150º -86º 50.0º

Discrepant Stations

Station Network Channel Polarity Quality
MTM UW EHZ U 0.98
SHW UW EHZ U 0.98
E04D TA BHZ U 0.98
60450001

Station

Code, or name, to designate a particular seismic station