Earthquake Report

Magnitude: 2.3
Fri August 8, 1969 12:05:48 AM (PDT)
Event Id: 10835543
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.3 Md (Probable explosion)
Time: Fri August 8, 1969 12:05:48 AM (PDT)
Fri August 8, 1969 07:05:48 (UTC)
Distance From: 8.4 km ( 5.2 mi) SE ( 143. azimuth) from Coulee City, WA
46.6 km ( 28.9 mi) SSW ( 201. azimuth) from Grand Coulee, WA
47.3 km ( 29.4 mi) N ( 6. azimuth) from Moses Lake, WA
Coordinates: 47.55, -119.221
Depth: 38.31 Km (23.37 miles)
Location Quality: Poor
Event Id: 10835543
Horizontal Uncertainty: 6.942 Km
Depth Uncertainty: 0.0 Km
Azimuthal Gap: 332.0 deg
Number of Phases: 7
RMS Misfit: 0.4

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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