Earthquake Report

Magnitude: 1.8
Wed February 5, 2014 01:57AM (PST)
Event Id: 60688426
Version #2: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.8 Ml
Time: Wed February 5, 2014 01:57AM (PST)
Wed February 5, 2014 09:57 (UTC)
Distance From: 23.3 km ( 14.5 mi) SSE ( 156. azimuth) from Longview, WA
48.1 km ( 29.9 mi) NNW ( 341. azimuth) from Portland, OR
72.6 km ( 45.1 mi) N ( 9. azimuth) from Newberg, OR
Coordinates: 45.945, -122.821
Depth: 20.21 Km (12.33 miles)
Location Quality: Excellent
Event Id: 60688426
Horizontal Uncertainty: 0.5 Km
Depth Uncertainty: 1.17 Km
Azimuthal Gap: 76.0 deg
Number of Phases: 27
RMS Misfit: 0.18

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60688426.uwfm1
Number of P First Motions: 14
Plane A Plane B Uncertainty
Strike 140º 47º 20.0º
Dip 75º 80º 35.0º
Rake 10º 165º 30.0º

Discrepant Stations

Station Network Channel Polarity Quality
ASR UW EHZ U 0.92
60688426

Station

Code, or name, to designate a particular seismic station