Explosion Generated Seismic Waves

Abstract

The mechanisms of generation of SH and Love waves by underground nuclear explosions are investigated theoretically and experimentally. An explosion in pre-stressed medium is formulated as a composite source consisting of an isotropic explosion and a double-couple representing the tectonic strain release. From the radiation patterns of Rayleigh waves and Love-to-Rayleigh wave amplitude ratios relative strength of the strain release component is determined. It is found that relative amplitudes of Love waves and tectonic strain energy release strongly depend on the medium properties in the immediate vicinity of the explosion.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1971
Accession Number
AD0740949

Entities

People

  • M. Nafi Toksöz

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Composite Materials
  • Doppler Effect
  • Elastic Waves
  • Far Field
  • Materials
  • Measurement
  • North America
  • Pile Drivers
  • Planetary Sciences
  • Secondary Waves
  • Strain Gages
  • Stress Waves
  • Two Dimensional
  • United States
  • Wave Propagation
  • Waveforms

Fields of Study

  • Physics

Readers

  • Seismology
  • Structural Dynamics.