Earthquake Report

Magnitude: 1.6
Thu August 16, 2012 08:59AM (PDT)
Event Id: 60440707
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.6 Md
Time: Thu August 16, 2012 08:59AM (PDT)
Thu August 16, 2012 15:59 (UTC)
Distance From: 35.2 km ( 21.9 mi) SE ( 145. azimuth) from Eugene, OR
76.1 km ( 47.3 mi) NNE ( 33. azimuth) from Roseburg, OR
121.0 km ( 75.2 mi) ENE ( 67. azimuth) from Coos Bay, OR
Coordinates: 43.793, -122.833
Depth: 1.02 Km (0.62 miles)
Location Quality: Excellent
Event Id: 60440707
Horizontal Uncertainty: 0.65 Km
Depth Uncertainty: 0.56 Km
Azimuthal Gap: 115.0 deg
Number of Phases: 28
RMS Misfit: 0.39

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60440707.uwfm1
Number of P First Motions: 12
Plane A Plane B Uncertainty
Strike 236º 43.0º
Dip 15º 80º 30.0º
Rake 40º 102º 35.0º

Discrepant Stations

Station Network Channel Polarity Quality
WIFE CC BHZ D 0.92
B030 PB EHZ U 0.92

Solution 2

Uw60440707.uwfm2
Number of P First Motions: 12
Plane A Plane B Uncertainty
Strike 335º 239º 20.0º
Dip 55º 82º 25.0º
Rake 10º 145º 10.0º

Discrepant Stations

Station Network Channel Polarity Quality
B030 PB EHZ U 0.92
WIFE CC BHZ D 0.92
60440707