Earthquake Report

Magnitude: 1.2
Fri August 3, 2012 02:41AM (PDT)
Event Id: 60434917
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.2 Md
Time: Fri August 3, 2012 02:41AM (PDT)
Fri August 3, 2012 09:41 (UTC)
Distance From: 3.9 km ( 2.4 mi) NW ( 306. azimuth) from Monroe, WA
7.4 km ( 4.6 mi) ESE ( 123. azimuth) from Snohomish, WA
15.2 km ( 9.5 mi) N ( 352. azimuth) from Duvall, WA
Coordinates: 47.877, -122.014
Depth: 21.59 Km (13.17 miles)
Location Quality: Excellent
Event Id: 60434917
Horizontal Uncertainty: 0.34 Km
Depth Uncertainty: 0.67 Km
Azimuthal Gap: 87.0 deg
Number of Phases: 28
RMS Misfit: 0.18

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60434917.uwfm1
Number of P First Motions: 14
Plane A Plane B Uncertainty
Strike 180º 303º 25.0º
Dip 40º 66º 20.0º
Rake 140º 57º 50.0º

Discrepant Stations

Station Network Channel Polarity Quality
GNW UW BHZ U 0.92
HDW UW EHZ U 0.92
LRIV UW BHZ U 0.92
60434917

Station

Code, or name, to designate a particular seismic station