Earthquake Report

Magnitude: 0.8
Tue April 22, 2014 09:11:39 PM (PDT)
Event Id: 60746586
Version #2: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.8 Md
Time: Tue April 22, 2014 09:11:39 PM (PDT)
Wed April 23, 2014 04:11:39 (UTC)
Distance From: 42.1 km ( 26.2 mi) ESE ( 108. azimuth) from Longview, WA
56.3 km ( 35.0 mi) NNE ( 16. azimuth) from Portland, OR
60.7 km ( 37.7 mi) S ( 191. azimuth) from Morton, WA
Coordinates: 46.022, -122.422
Depth: 17.06 Km (10.41 miles)
Location Quality: Excellent
Event Id: 60746586
Horizontal Uncertainty: 0.38 Km
Depth Uncertainty: 0.58 Km
Azimuthal Gap: 104.0 deg
Number of Phases: 24
RMS Misfit: 0.11

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 14
Plane A Plane B Uncertainty
Strike 80º 201º 23.0º
Dip 70º 36º 18.0º
Rake 120º 36º 25.0º

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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