Earthquake Report

Magnitude: 1.2
Tue July 24, 2012 09:56:14 PM (PDT)
Event Id: 60444866
Version #6: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.2 Md
Time: Tue July 24, 2012 09:56:14 PM (PDT)
Wed July 25, 2012 04:56:14 (UTC)
Distance From: 0.9 km ( 0.5 mi) NNW ( 341. azimuth) from Newberg, OR
20.5 km ( 12.8 mi) NNW ( 332. azimuth) from Woodburn, OR
22.8 km ( 14.2 mi) WNW ( 283. azimuth) from Canby, OR
Coordinates: 45.308, -122.976
Depth: 25.56 Km (15.59 miles)
Location Quality: Excellent
Event Id: 60444866
Horizontal Uncertainty: 0.62 Km
Depth Uncertainty: 1.62 Km
Azimuthal Gap: 66.0 deg
Number of Phases: 30
RMS Misfit: 0.31

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 13
Plane A Plane B Uncertainty
Strike 85º 184º 25.0º
Dip 85º 30º 30.0º
Rake 120º 10º 55.0º

Discrepant Stations

Station Network Channel Polarity Quality
B204 PB EHZ D 0.92
B024 PB EHZ U 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

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