Earthquake Report

Magnitude: 1.7
Mon July 30, 2012 01:58PM (PDT)
Event Id: 60432942
Version #6: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.7 Md
Time: Mon July 30, 2012 01:58PM (PDT)
Mon July 30, 2012 20:58 (UTC)
Distance From: 45.4 km ( 28.2 mi) SSE ( 149. azimuth) from Diablo, WA
46.3 km ( 28.8 mi) SE ( 138. azimuth) from Newhalem, WA
58.6 km ( 36.4 mi) ENE ( 78. azimuth) from Darrington, WA
Coordinates: 48.362, -120.828
Depth: 5.16 Km (3.15 miles)
Location Quality: Excellent
Event Id: 60432942
Horizontal Uncertainty: 0.7 Km
Depth Uncertainty: 1.49 Km
Azimuthal Gap: 87.0 deg
Number of Phases: 25
RMS Misfit: 0.39

Historic Activity

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Focal Mechanism

More Information

Solution 1

Uw60432942.uwfm1
Number of P First Motions: 11
Plane A Plane B Uncertainty
Strike 80º 311º 25.0º
Dip 15º 80º 15.0º
Rake 40º 102º 30.0º

Discrepant Stations

Station Network Channel Polarity Quality
MRBL UW BHZ D 0.92
RATT UW BHZ D 0.92
PNT CN BHZ U 0.92
60432942

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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