Earthquake Report

Magnitude: 0.5
Sat September 22, 2012 11:41AM (PDT)
Event Id: 60454972
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.5 Md
Time: Sat September 22, 2012 11:41AM (PDT)
Sat September 22, 2012 18:41 (UTC)
Distance From: 11.3 km ( 7.0 mi) WSW ( 254. azimuth) from Darrington, WA
22.6 km ( 14.0 mi) NE ( 46. azimuth) from Granite Falls, WA
35.1 km ( 21.8 mi) S ( 180. azimuth) from Concrete, WA
Coordinates: 48.224, -121.748
Depth: 13.9 Km (8.48 miles)
Location Quality: Excellent
Event Id: 60454972
Horizontal Uncertainty: 0.43 Km
Depth Uncertainty: 1.27 Km
Azimuthal Gap: 78.0 deg
Number of Phases: 12
RMS Misfit: 0.15

Historic Activity


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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