Earthquake Report

Magnitude: 2.2
Tue October 23, 2012 07:44PM (PDT)
Event Id: 60480136
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.2 Ml
Time: Tue October 23, 2012 07:44PM (PDT)
Wed October 24, 2012 02:44 (UTC)
Distance From: 26.0 km ( 16.2 mi) NW ( 322. azimuth) from Longview, WA
46.4 km ( 28.8 mi) SSW ( 198. azimuth) from Centralia, WA
54.7 km ( 34.0 mi) ENE ( 74. azimuth) from Astoria, OR
Coordinates: 46.321, -123.151
Depth: 44.5 Km (27.15 miles)
Location Quality: Excellent
Event Id: 60480136
Horizontal Uncertainty: 0.45 Km
Depth Uncertainty: 0.9 Km
Azimuthal Gap: 55.0 deg
Number of Phases: 36
RMS Misfit: 0.16

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60480136.uwfm1
Number of P First Motions: 24
Plane A Plane B Uncertainty
Strike 45º 159º 18.0º
Dip 75º 33º 13.0º
Rake 120º 28º 25.0º

Discrepant Stations

Station Network Channel Polarity Quality
RADR UW BHZ U 0.92
B019 PB EHZ U 0.98
STD CC BHZ U 0.92
B941 PB EHZ D 0.92
WPW UW EHZ U 0.92
SOS UW EHZ U 0.92
60480136