Earthquake Report

Magnitude: 3.0
Fri May 9, 1969 12:06:09 PM (PDT)
Event Id: 10835313
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: Fri May 9, 1969 12:06:09 PM (PDT)
Fri May 9, 1969 19:06:09 (UTC)
Distance From: 26.5 km ( 16.5 mi) SE ( 135. azimuth) from Chelan, WA
34.6 km ( 21.5 mi) E ( 88. azimuth) from Entiat, WA
36.2 km ( 22.5 mi) WNW ( 281. azimuth) from Coulee City, WA
Coordinates: 47.674, -119.761
Depth: 2.08 Km (1.27 miles)
Location Quality: Good
Event Id: 10835313
Horizontal Uncertainty: 2.699 Km
Depth Uncertainty: 0.0 Km
Azimuthal Gap: 338.0 deg
Number of Phases: 9
RMS Misfit: 0.16

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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