Earthquake Report

Magnitude: 1.5
Tue September 18, 2012 04:26:48 PM (PDT)
Event Id: 60453447
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.5 Md
Time: Tue September 18, 2012 04:26:48 PM (PDT)
Tue September 18, 2012 23:26:48 (UTC)
Distance From: 2.8 km ( 1.7 mi) SE ( 142. azimuth) from Duvall, WA
8.9 km ( 5.6 mi) NNW ( 337. azimuth) from Carnation, Wa
15.0 km ( 9.3 mi) S ( 177. azimuth) from Monroe, WA
Coordinates: 47.722, -121.962
Depth: 16.55 Km (10.1 miles)
Location Quality: Excellent
Event Id: 60453447
Horizontal Uncertainty: 0.24 Km
Depth Uncertainty: 0.75 Km
Azimuthal Gap: 63.0 deg
Number of Phases: 35
RMS Misfit: 0.15

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 17
Plane A Plane B Uncertainty
Strike 75º 282º 5.0º
Dip 70º 22º 3.0º
Rake 80º 116º 15.0º

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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