Earthquake Report

Magnitude: 1.1
Sun September 9, 2012 03:30:30 AM (PDT)
Event Id: 60449827
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.1 Md
Time: Sun September 9, 2012 03:30:30 AM (PDT)
Sun September 9, 2012 10:30:30 (UTC)
Distance From: 21.7 km ( 13.5 mi) WNW ( 302. azimuth) from Mount Vernon, WA
26.1 km ( 16.2 mi) W ( 275. azimuth) from Sedro Woolley, WA
27.9 km ( 17.4 mi) SSW ( 196. azimuth) from Bellingham, WA
Coordinates: 48.522, -122.588
Depth: 16.15 Km (9.85 miles)
Location Quality: Excellent
Event Id: 60449827
Horizontal Uncertainty: 0.45 Km
Depth Uncertainty: 1.27 Km
Azimuthal Gap: 67.0 deg
Number of Phases: 25
RMS Misfit: 0.25

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 14
Plane A Plane B Uncertainty
Strike 335º 194º 23.0º
Dip 45º 52º 23.0º
Rake 60º 117º 30.0º

Discrepant Stations


Map boundaries

 The red polygon is the reporting region for  this map; the black polygon is the authoritative region of the PNSN. Events inside the authoritative network are rendered as cirlces; events outside the authoritative region but inside the reporting region are rendered as squares. Explosions are always rendered as stars.  More

Cross Section

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