Earthquake Report

Magnitude: 2.0
Fri February 21, 2014 11:56:00 AM (PST)
Event Id: 60698922
Version #2: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.0 Ml
Time: Fri February 21, 2014 11:56:00 AM (PST)
Fri February 21, 2014 19:56:00 (UTC)
Distance From: 20.4 km ( 12.7 mi) SW ( 228. azimuth) from Morton, WA
48.6 km ( 30.2 mi) SE ( 130. azimuth) from Centralia, WA
49.0 km ( 30.5 mi) NE ( 47. azimuth) from Longview, WA
Coordinates: 46.436, -122.473
Depth: 18.19 Km (11.1 miles)
Location Quality: Excellent
Event Id: 60698922
Horizontal Uncertainty: 0.26 Km
Depth Uncertainty: 0.59 Km
Azimuthal Gap: 76.0 deg
Number of Phases: 27
RMS Misfit: 0.1

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 18
Plane A Plane B Uncertainty
Strike 50º 247º 15.0º
Dip 55º 36º 10.0º
Rake -100º -76º 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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