Earthquake Report

Magnitude: 1.6
Tue August 12, 1969 07:18AM (PDT)
Event Id: 10835568
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.6 Md
Time: Tue August 12, 1969 07:18AM (PDT)
Tue August 12, 1969 14:18 (UTC)
Distance From: 5.5 km ( 3.4 mi) N ( 8. azimuth) from Hanford-400, WA
7.2 km ( 4.5 mi) SE ( 144. azimuth) from Hanford-300, WA
15.1 km ( 9.4 mi) N ( 7. azimuth) from Richland, WA
Coordinates: 46.418, -119.268
Depth: 11.5 Km (7.02 miles)
Location Quality: Fair
Event Id: 10835568
Horizontal Uncertainty: 1.029 Km
Depth Uncertainty: 4.96 Km
Azimuthal Gap: 132.0 deg
Number of Phases: 6
RMS Misfit: 0.17

Historic Activity


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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