Waves, Rays and Discriminants

Abstract

A method has been developed for retrieving the seismic source mechanism by using a sparse network of seismographic stations. The method is based on matched filtering followed by deconvolution for the seismic moment tensor. The method requires well-calibrated instruments. The seismic moment tensor is decomposed into its deviatoric (earthquake-like) and isotropic (explosion-like) parts which together form a basis for discrimination. Very preliminary applications of the method are successful and encouraging, but the full potential of the method has not been established.

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Document Details

Document Type
Technical Report
Publication Date
Oct 31, 1975
Accession Number
ADA023295

Entities

People

  • Freeman Gilbert

Organizations

  • University of California, San Diego

Tags

Communities of Interest

  • Energy and Power Technologies
  • Sensors

DTIC Thesaurus Topics

  • Air Force
  • Differential Equations
  • Doppler Effect
  • Earth Models
  • Eigenvalues
  • Eigenvectors
  • Elastic Waves
  • Equations
  • Frequency
  • Frequency Bands
  • Legendre Functions
  • Power Spectra
  • Rayleigh Waves
  • Scientific Research
  • Seismology
  • Standards
  • Surface Waves

Fields of Study

  • Engineering

Readers

  • Seismology
  • Systems Analysis and Design