Earthquake Report

Magnitude: 1.7
Sun September 2, 2012 01:25AM (PDT)
Event Id: 60460406
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.7 Md
Time: Sun September 2, 2012 01:25AM (PDT)
Sun September 2, 2012 08:25 (UTC)
Distance From: 42.3 km ( 26.3 mi) SSW ( 203. azimuth) from Yakima, Wa
73.7 km ( 45.8 mi) W ( 273. azimuth) from Prosser, Wa
80.0 km ( 49.7 mi) NNE ( 26. azimuth) from The Dalles, OR
Coordinates: 46.244, -120.725
Depth: 17.66 Km (10.77 miles)
Location Quality: Excellent
Event Id: 60460406
Horizontal Uncertainty: 0.66 Km
Depth Uncertainty: 1.71 Km
Azimuthal Gap: 53.0 deg
Number of Phases: 36
RMS Misfit: 0.4

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60460406.uwfm1
Number of P First Motions: 16
Plane A Plane B Uncertainty
Strike 80º 196º 53.0º
Dip 85º 11º 33.0º
Rake 100º 27º 35.0º

Discrepant Stations

Station Network Channel Polarity Quality
BLT UW EHZ D 0.92
CCRK UW BHZ D 0.92
GUL UW EHZ U 0.92
WIW UW EHZ D 0.92

Solution 2

Uw60460406.uwfm2
Number of P First Motions: 16
Plane A Plane B Uncertainty
Strike 65º 272º 50.0º
Dip 45º 48º 35.0º
Rake -110º -71º 60.0º

Discrepant Stations

Station Network Channel Polarity Quality
BLT UW EHZ D 0.92
CCRK UW BHZ D 0.92
GUL UW EHZ U 0.92
WIW UW EHZ D 0.92
60460406

Station

Code, or name, to designate a particular seismic station