Earthquake Report

Magnitude: 3.4
Sun August 23, 1970 04:11AM (PDT)
Event Id: 10836833
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 3.4 Md
Time: Sun August 23, 1970 04:11AM (PDT)
Sun August 23, 1970 11:11 (UTC)
Distance From: 16.4 km ( 10.2 mi) WSW ( 237. azimuth) from Othello, WA
25.6 km ( 15.9 mi) NNE ( 34. azimuth) from Hanford-200E, WA
30.3 km ( 18.8 mi) NE ( 45. azimuth) from Hanford-200W, WA
Coordinates: 46.746, -119.348
Depth: 2.96 Km (1.81 miles)
Location Quality: Excellent
Event Id: 10836833
Horizontal Uncertainty: 0.191 Km
Depth Uncertainty: 0.39 Km
Azimuthal Gap: 58.0 deg
Number of Phases: 15
RMS Misfit: 0.07

Historic Activity


Focal Mechanism

More Information

Solution 1

Number of P First Motions: 0
Plane A Plane B Uncertainty
Strike 125º 290º º
Dip 50º 41º º
Rake 100º 79º º

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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