skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Amplitude Models for Discrimination and Yield Estimation

Abstract

This seminar presentation describes amplitude models and yield estimations that look at the data in order to inform legislation. The following points were brought forth in the summary: global models that will predict three-component amplitudes (R-T-Z) were produced; Q models match regional geology; corrected source spectra can be used for discrimination and yield estimation; three-component data increase coverage and reduce scatter in source spectral estimates; three-component efforts must include distance-dependent effects; a community effort on instrument calibration is needed.

Authors:
 [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1321659
Report Number(s):
LA-UR-16-26706
DOE Contract Number:
AC52-06NA25396
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE

Citation Formats

Phillips, William Scott. Amplitude Models for Discrimination and Yield Estimation. United States: N. p., 2016. Web. doi:10.2172/1321659.
Phillips, William Scott. Amplitude Models for Discrimination and Yield Estimation. United States. doi:10.2172/1321659.
Phillips, William Scott. 2016. "Amplitude Models for Discrimination and Yield Estimation". United States. doi:10.2172/1321659. https://www.osti.gov/servlets/purl/1321659.
@article{osti_1321659,
title = {Amplitude Models for Discrimination and Yield Estimation},
author = {Phillips, William Scott},
abstractNote = {This seminar presentation describes amplitude models and yield estimations that look at the data in order to inform legislation. The following points were brought forth in the summary: global models that will predict three-component amplitudes (R-T-Z) were produced; Q models match regional geology; corrected source spectra can be used for discrimination and yield estimation; three-component data increase coverage and reduce scatter in source spectral estimates; three-component efforts must include distance-dependent effects; a community effort on instrument calibration is needed.},
doi = {10.2172/1321659},
journal = {},
number = ,
volume = ,
place = {United States},
year = 2016,
month = 9
}

Technical Report:

Save / Share:
  • This paper begins with a review of the literature on propagation of Pn, Pg, Sn, Lg, and Rg and continues with the history of discrimination at regional distances up to 1978. New work performed especially for this report is discussed next; distance amplitude relations for Pn, Pg, Lg and for the maximum amplitude observed before and after Sn are presented for earthquakes and explosions in both the Eastern United States (EUS) and the Western United States (WUS). By means of references to the work reviewed in the literature review, these results are then placed in context, and decay rates aremore » attached to the amplitude-distance curves so that they may be used in magnitude estimation. Then these distance-amplitude relations are used to define event magnitudes (log amplitude at 1000 km) for each phase and the discrimination capability of a compressional and shear magnitude is investigated in a fashion analogous to the conventional Ms:mb. Finally, several topics are discussed with the aid of spectra of explosions and earthquakes. Among these are detection threshold, optimum filter for detection of regional events, and difference in source spectra for earthquakes and explosions.« less
  • This report deals with the following subjects: (1) The use of Lg to determine yield for U.S. explosions as recorded by WWSSN stations in the United States; (2) Analyses of seismic data from the HARZER nuclear explosion as recorded at the Catskill Seismic Array (CSA) in Stone Ridge, New York; (3) Seismic noise characteristics at the CSA; and (4) The calibration and response of the CSA.
  • This report summarizes work conducted by Systems, Science and Software concerning the generation, propagation, detection and analysis of seismic waves by both nuclear explosions and earthquake sources. Specific topics covered included numerical simulation of the near field ground motion from earthquakes and explosions, automatic signal processing relating to the detection of seismic events and magnitude determination, a compilation of near source data and the synthesis of this data in terms of the seismic source function, and the determination of the spectral characteristics of acoustic waves from an explosion near the ocean surface.