Joint Magnitude Determination and Analysis of Variance for Explosion Magnitude Estimates

Abstract

A method of relative magnitude determination using all available data for a limited source area is proposed. The attenuation factor B, event terms F(j), and station terms C(i) for the linear model X(ij) = C(i) + F(j) + H - BR(ij) are solved simultaneously by an interative least-squares procedure; here X(ij) is the logarithm of the amplitude and R(ij) is the logarithm of the distance. The method is analogous to joint epicenter determination, and so is termed 'joint magnitude determination' (JMD). The JMD method was applied to Seismic Data Laboratory (SDL) data from North American stations for Nevada Test Site explosions.

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Document Details

Document Type
Technical Report
Publication Date
Jan 13, 1972
Accession Number
AD0742243

Entities

People

  • D. H. Von Seggern

Organizations

  • Teledyne Technologies

Tags

DTIC Thesaurus Topics

  • Analysis Of Variance
  • Calibration
  • Data Science
  • Data Sets
  • Databases
  • Earthquakes
  • Epicenters
  • Explosions
  • Information Science
  • Mississippi
  • North America
  • Rayleigh Waves
  • Standards
  • Statistical Distributions
  • Surface Waves
  • Travel Time
  • United States

Readers

  • Analytical Mechanics
  • Approximation Theory.
  • Seismology