High-Frequency Shear Wave Generation at Pre-existing Cracks,

Abstract

Recent observational studies indicate that, relative to decoupled explosions, tamped explosions tend to have a larger high frequency Lg/P ratio. Discrimination using such ratios is promising, and yet little is known about the basis for this discriminant. Improved fundamental understanding of the reasons this discriminant may be successful is desired. A plausible explanation offered by Blandford (19S5) is that tamped explosions generate more high-frequency S waves due to the cracks in the source region.

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Document Details

Document Type
Technical Report
Publication Date
Aug 14, 1995
Accession Number
ADP204453

Entities

People

  • A. M. Dainty
  • R. S. Jih

Organizations

  • Phillips Laboratory

Tags

DTIC Thesaurus Topics

  • Boundaries
  • Couplings
  • Demographic Cohorts
  • Discrimination
  • Explosions
  • Frequency
  • Frequency Bands
  • Frequency Shift
  • Monitoring
  • Radio Frequency
  • Scattering
  • Secondary Waves
  • Waves

Readers

  • Seismology
  • Systems Analysis and Design