Earthquake Report

Magnitude: 2.1
Fri February 21, 2014 11:22:31 PM (PST)
Event Id: 60699342
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.1 Ml
Time: Fri February 21, 2014 11:22:31 PM (PST)
Sat February 22, 2014 07:22:31 (UTC)
Distance From: 23.5 km ( 14.6 mi) SSE ( 157. azimuth) from Longview, WA
48.0 km ( 29.8 mi) NNW ( 341. azimuth) from Portland, OR
72.4 km ( 45.0 mi) N ( 9. azimuth) from Newberg, OR
Coordinates: 45.943, -122.823
Depth: 20.48 Km (12.49 miles)
Location Quality: Excellent
Event Id: 60699342
Horizontal Uncertainty: 0.27 Km
Depth Uncertainty: 0.88 Km
Azimuthal Gap: 41.0 deg
Number of Phases: 47
RMS Misfit: 0.2

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 19
Plane A Plane B Uncertainty
Strike 135º 315º 23.0º
Dip 10º 80º 5.0º
Rake -90º -90º 20.0º

Discrepant Stations

Station Network Channel Polarity Quality
G03D TA BHZ D 0.92

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

 Create a custom cross-section or depth-time plot. Click on "Custom Plot" to start.