Accession Number:

ADA127120

Title:

Magnitude/Yield Variability in the Western United States: Analysis of the Rulison/Gasbuggy Anomaly

Descriptive Note:

Final rept. 1 Dec 1981-30 Nov 1982

Corporate Author:

S-CUBED LA JOLLA CA

Report Date:

1983-01-01

Pagination or Media Count:

64.0

Abstract:

An attempt was made to develop a quantitative understanding of the RulisonGasbuggy mbyield anomaly. This effort has encompassed comparative studies of near-regional, regional and teleseismic data recorded from these two explosions, as well as theoretical simulation analysis of selected near-regional and teleseismic data sets. Various hypotheses which have been proposed to explain the mb anomaly, including differences in explosive source coupling, variations in upper mantle attenuation beneath the two test sites and tectonic release effects have been considered and critically evaluated. Analysis of the evidence provided by the near-regional, broadband seismic data recorded from these two explosions indicates that the mbyield anomaly is not due to differences in explosive source coupling. Evidence is presented which indicates that signification tectonic release occurred on Rulison, and it is demonstrated that the characteristics of this inferred tectonic release are quantitatively consistent with the observed mbyield anomaly.

Subject Categories:

  • Seismic Detection and Detectors
  • Nuclear Weapons

Distribution Statement:

APPROVED FOR PUBLIC RELEASE