Earthquake Report

Magnitude: 1.8
Wed April 16, 2014 04:50:46 AM (PDT)
Event Id: 60742416
Version #6: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.8 Md
Time: Wed April 16, 2014 04:50:46 AM (PDT)
Wed April 16, 2014 11:50:46 (UTC)
Distance From: 51.0 km ( 31.7 mi) SW ( 235. azimuth) from The Dalles, OR
52.5 km ( 32.6 mi) WNW ( 290. azimuth) from Maupin, OR
74.4 km ( 46.2 mi) ESE ( 108. azimuth) from Portland, OR
Coordinates: 45.334, -121.711
Depth: 6.78 Km (4.14 miles)
Location Quality: Excellent
Event Id: 60742416
Horizontal Uncertainty: 0.33 Km
Depth Uncertainty: 0.25 Km
Azimuthal Gap: 76.0 deg
Number of Phases: 20
RMS Misfit: 0.15

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 17
Plane A Plane B Uncertainty
Strike 340º 172º 25.0º
Dip 30º 61º 15.0º
Rake -100º -84º 25.0º

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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