Earthquake Report

Magnitude: 1.9
Thu September 27, 2012 05:25:56 PM (PDT)
Event Id: 60456922
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.9 Md
Time: Thu September 27, 2012 05:25:56 PM (PDT)
Fri September 28, 2012 00:25:56 (UTC)
Distance From: 27.4 km ( 17.1 mi) NW ( 321. azimuth) from Tillamook, OR
62.3 km ( 38.7 mi) SSW ( 197. azimuth) from Astoria, OR
93.5 km ( 58.1 mi) WNW ( 294. azimuth) from Newberg, OR
Coordinates: 45.648, -124.064
Depth: 19.17 Km (11.69 miles)
Location Quality: Good
Event Id: 60456922
Horizontal Uncertainty: 1.48 Km
Depth Uncertainty: 1.14 Km
Azimuthal Gap: 218.0 deg
Number of Phases: 23
RMS Misfit: 0.3

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 12
Plane A Plane B Uncertainty
Strike 330º 191º 33.0º
Dip 15º 79º 15.0º
Rake 50º 100º 35.0º

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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