Two-dimensional velocity models for paths from Pahute Mesa and Yucca Flat to Yucca Mountain; Yucca Mountain Project

descriptionPublicationkeyboard_double_arrow_right Report , Other literature type 01 Nov 1990 United States Publisher:Office of Scientific and Technical Information (OSTI)

Authors: Walck, M. C.; Phillips, J. S.;

doi: 10.2172/137970

Two-dimensional velocity models for paths from Pahute Mesa and Yucca Flat to Yucca Mountain; Yucca Mountain Project

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Abstract

Vertical acceleration recordings of 21 underground nuclear explosions recorded at stations at Yucca Mountain provide the data for development of three two-dimensional crystal velocity profiles for portions of the Nevada Test Site. Paths from Area 19, Area 20 (both Pahute Mesa), and Yucca Flat to Yucca Mountain have been modeled using asymptotic ray theory travel time and synthetic seismogram techniques. Significant travel time differences exist between the Yucca Flat and Pahute Mesa source areas; relative amplitude patterns at Yucca Mountain also shift with changing source azimuth. The three models, UNEPM1, UNEPM2, and UNEYF1, successfully predict the travel time and amplitude data for all three paths. 24 refs., 34 figs., 8 tabs.

Country

United States

Related Organizations

University of North Texas
United States

Keywords

Data Analysis, Ground Motion, Acceleration, Seismic Waves, Two-Dimensional Calculations, Yucca Mountain Project, Site Characterization, Underground Explosions, 630, U Codes, 05 Nuclear Fuels, Nuclear Explosions, Geologic Models, Amplitudes, Wave Forms, Nevada Test Site, Wave Propagation, Time Dependence, Radioactive Waste Facilities, Seismic Surveys, Yucca Mountain

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