Earthquake Report

Magnitude: 1.8
Sun February 2, 2014 10:45:45 AM (PST)
Event Id: 60683347
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.8 Ml
Time: Sun February 2, 2014 10:45:45 AM (PST)
Sun February 2, 2014 18:45:45 (UTC)
Distance From: 35.1 km ( 21.8 mi) SE ( 140. azimuth) from Longview, WA
39.9 km ( 24.8 mi) N ( 356. azimuth) from Portland, OR
70.2 km ( 43.6 mi) N ( 2. azimuth) from Canby, OR
Coordinates: 45.894, -122.652
Depth: 16.66 Km (10.16 miles)
Location Quality: Excellent
Event Id: 60683347
Horizontal Uncertainty: 0.38 Km
Depth Uncertainty: 0.63 Km
Azimuthal Gap: 83.0 deg
Number of Phases: 43
RMS Misfit: 0.15

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 19
Plane A Plane B Uncertainty
Strike 300º 47º 10.0º
Dip 80º 31º 10.0º
Rake -60º -161º 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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