Accession Number:

ADA179189

Title:

Effects of Local Geologic Structure for Yucca Flats, NTS, Explosion Waveforms: 2-Dimensional Linear Finite Difference Simulations.

Descriptive Note:

Technical rept. Feb 85-Feb 87,

Corporate Author:

TELEDYNE GEOTECH ALEXANDRIA VA ALEXANDRIA LABS

Report Date:

1986-10-01

Pagination or Media Count:

50.0

Abstract:

Two-dimensional linear elastic finite difference calculations were performed for two-dimensional geologic model of Yucca Flats, Nevada Test Site, Nevada. The calculations were used to produce synthetic teleseismic P-wave seismograms for explosive line sources in Yucca Flats. P-wave coda first 5 seconds is observed to be highly dependent on takeoff angle for the teleseismic synthetics. P-wave coda varies with the position of the source in the valley structure and may produce variations in the individual station telesiesmic P-wave m sub b magnitude of up to 0.3 magnitude units. However these magnitude variations should be substantially reduced by averaging over stations at multiple azimuth. Author

Subject Categories:

  • Seismology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE