Earthquake Report

Magnitude: 3.0
Sat September 13, 1969 01:30:47 AM (PDT)
Event Id: 10835688
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 3.0 Md (Probable explosion)
Time: Sat September 13, 1969 01:30:47 AM (PDT)
Sat September 13, 1969 08:30:47 (UTC)
Distance From: 20.9 km ( 13.0 mi) NNW ( 327. azimuth) from Coulee City, WA
38.0 km ( 23.6 mi) WSW ( 239. azimuth) from Grand Coulee, WA
43.6 km ( 27.1 mi) E ( 101. azimuth) from Chelan, WA
Coordinates: 47.768, -119.44
Depth: 1.47 Km (0.9 miles)
Location Quality: Good
Event Id: 10835688
Horizontal Uncertainty: 2.246 Km
Depth Uncertainty: 0.0 Km
Azimuthal Gap: 303.0 deg
Number of Phases: 8
RMS Misfit: 0.2

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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