Earthquake Report

Magnitude: 1.0
Fri May 23, 1969 02:45AM (PDT)
Event Id: 10835373
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.0 Md
Time: Fri May 23, 1969 02:45AM (PDT)
Fri May 23, 1969 09:45 (UTC)
Distance From: 23.5 km ( 14.6 mi) SE ( 126. azimuth) from Vantage, WA
32.3 km ( 20.1 mi) NNW ( 346. azimuth) from Hanford-200W, WA
34.6 km ( 21.5 mi) NNW ( 334. azimuth) from Hanford-200E, WA
Coordinates: 46.834, -119.732
Depth: 0.43 Km (0.26 miles)
Location Quality: Excellent
Event Id: 10835373
Horizontal Uncertainty: 0.83 Km
Depth Uncertainty: 0.0 Km
Azimuthal Gap: 244.0 deg
Number of Phases: 6
RMS Misfit: 0.11

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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