Earthquake Report

Magnitude: 1.6
Wed August 15, 2012 12:00AM (PDT)
Event Id: 60440187
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.6 Md
Time: Wed August 15, 2012 12:00AM (PDT)
Wed August 15, 2012 07:00 (UTC)
Distance From: 60.9 km ( 37.9 mi) WNW ( 293. azimuth) from The Dalles, OR
63.7 km ( 39.6 mi) ENE ( 62. azimuth) from Portland, OR
86.4 km ( 53.7 mi) NE ( 46. azimuth) from Canby, OR
Coordinates: 45.806, -121.897
Depth: 7.84 Km (4.78 miles)
Location Quality: Excellent
Event Id: 60440187
Horizontal Uncertainty: 0.31 Km
Depth Uncertainty: 0.54 Km
Azimuthal Gap: 45.0 deg
Number of Phases: 49
RMS Misfit: 0.18

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60440187.uwfm1
Number of P First Motions: 22
Plane A Plane B Uncertainty
Strike 230º 326º 15.0º
Dip 50º 82º 43.0º
Rake -10º -140º 30.0º

Discrepant Stations

Station Network Channel Polarity Quality
VLL UW EHZ U 0.98
VALT CC BHZ U 0.92
PGO UW EHZ U 0.92
VTH UW EHZ D 0.92
60440187