Earthquake Report

Magnitude: 2.7
Fri September 28, 2012 06:46AM (PDT)
Event Id: 60457022
Version #7: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.7 Ml
Time: Fri September 28, 2012 06:46AM (PDT)
Fri September 28, 2012 13:46 (UTC)
Distance From: 38.2 km ( 23.8 mi) SSE ( 161. azimuth) from Morton, WA
64.7 km ( 40.2 mi) E ( 80. azimuth) from Longview, WA
71.5 km ( 44.4 mi) S ( 171. azimuth) from Eatonville, WA
Coordinates: 46.233, -122.113
Depth: 9.46 Km (5.77 miles)
Location Quality: Excellent
Event Id: 60457022
Horizontal Uncertainty: 0.31 Km
Depth Uncertainty: 0.34 Km
Azimuthal Gap: 81.0 deg
Number of Phases: 44
RMS Misfit: 0.18

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60457022.uwfm1
Number of P First Motions: 35
Plane A Plane B Uncertainty
Strike 285º 183º 20.0º
Dip 75º 52º 23.0º
Rake 40º 161º 40.0º

Discrepant Stations

Station Network Channel Polarity Quality
RER UW EHZ U 0.98
STAR UW EHZ U 0.98
HOOD UW BHZ D 0.92

Solution 2

Uw60457022.uwfm2
Number of P First Motions: 35
Plane A Plane B Uncertainty
Strike 285º 183º 20.0º
Dip 75º 52º 23.0º
Rake 40º 161º 40.0º

Discrepant Stations

N/A
60457022

Station

Code, or name, to designate a particular seismic station