Earthquake Report

Magnitude: 1.1
Tue September 25, 2012 05:19AM (PDT)
Event Id: 60455742
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.1 Md
Time: Tue September 25, 2012 05:19AM (PDT)
Tue September 25, 2012 12:19 (UTC)
Distance From: 7.7 km ( 4.8 mi) SSW ( 207. azimuth) from North Bend, WA
15.2 km ( 9.5 mi) SSE ( 164. azimuth) from Fall City, WA
16.1 km ( 10.0 mi) E ( 80. azimuth) from Maple Valley, WA
Coordinates: 47.435, -121.832
Depth: 19.93 Km (12.16 miles)
Location Quality: Excellent
Event Id: 60455742
Horizontal Uncertainty: 0.77 Km
Depth Uncertainty: 0.5 Km
Azimuthal Gap: 117.0 deg
Number of Phases: 29
RMS Misfit: 0.16

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60455742.uwfm1
Number of P First Motions: 17
Plane A Plane B Uncertainty
Strike 170º 305º 60.0º
Dip 55º 45º 35.0º
Rake 120º 54º 30.0º

Discrepant Stations

Station Network Channel Polarity Quality
RCM UW EHZ U 0.98
RER UW EHZ U 0.98
60455742

Station

Code, or name, to designate a particular seismic station