Earthquake Report

Magnitude: 1.6
Sun September 20, 1970 10:02AM (PDT)
Event Id: 10836963
Version #1: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.6 Md
Time: Sun September 20, 1970 10:02AM (PDT)
Sun September 20, 1970 17:02 (UTC)
Distance From: 18.1 km ( 11.3 mi) W ( 266. azimuth) from Richland, WA
19.8 km ( 12.3 mi) ENE ( 69. azimuth) from Prosser, Wa
22.1 km ( 13.7 mi) WSW ( 240. azimuth) from Hanford-400, WA
Coordinates: 46.271, -119.527
Depth: 8.04 Km (4.9 miles)
Location Quality: Excellent
Event Id: 10836963
Horizontal Uncertainty: 0.549 Km
Depth Uncertainty: 0.3 Km
Azimuthal Gap: 230.0 deg
Number of Phases: 10
RMS Misfit: 0.07

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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