Earthquake Report

Magnitude: 1.6
Tue July 24, 2012 09:23PM (PDT)
Event Id: 60444861
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.6 Md
Time: Tue July 24, 2012 09:23PM (PDT)
Wed July 25, 2012 04:23 (UTC)
Distance From: 27.4 km ( 17.0 mi) NNW ( 327. azimuth) from Skykomish, WA
31.1 km ( 19.3 mi) ENE ( 78. azimuth) from Monroe, WA
35.6 km ( 22.1 mi) ESE ( 122. azimuth) from Granite Falls, WA
Coordinates: 47.913, -121.564
Depth: 15.1 Km (9.21 miles)
Location Quality: Excellent
Event Id: 60444861
Horizontal Uncertainty: 0.31 Km
Depth Uncertainty: 0.8 Km
Azimuthal Gap: 56.0 deg
Number of Phases: 37
RMS Misfit: 0.18

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60444861.uwfm1
Number of P First Motions: 17
Plane A Plane B Uncertainty
Strike 275º 13.0º
Dip 90º 30º 18.0º
Rake -120º 20.0º

Discrepant Stations

Station Network Channel Polarity Quality
ELW UW HHZ U 0.92
RCS UW EHZ U 0.92
60444861