Lithological and rheological constraints on fault rupture scenarios for ground motion hazard prediction. Revision 1

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This paper tests a new approach to predict a range of ground motion hazard at specific sites generated by earthquakes on specific faults. The approach utilizes geodynamics to link structural, lithological and Theological descriptions of the fault zones to development of fault rupture scenarios and computation of synthetic seismograms. Faults are placed within a regional geomechanical model that is used to calculate stress conditions along the fault. The approach is based upon three hypothesis: (1) An exact solution of the representation relation that u@s empirical. Green`s functions enables very accurate computation of ground motions generated by a given rupture scenario; ... continued below

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34 p.

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Foxall, W.; Hutchings, L. & Jarpe, S. September 1, 1994.

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Description

This paper tests a new approach to predict a range of ground motion hazard at specific sites generated by earthquakes on specific faults. The approach utilizes geodynamics to link structural, lithological and Theological descriptions of the fault zones to development of fault rupture scenarios and computation of synthetic seismograms. Faults are placed within a regional geomechanical model that is used to calculate stress conditions along the fault. The approach is based upon three hypothesis: (1) An exact solution of the representation relation that u@s empirical. Green`s functions enables very accurate computation of ground motions generated by a given rupture scenario; (2) a general description of the rupture is sufficient; and (3) the structural, lithological and Theological characteristics of a fault can be used to constrain, in advance, possible future rupture histories. Ground motion hazard here refers to three-component, full wave train descriptions of displacement, velocity, and acceleration over the frequency band 0.01 to 25 Hz. Corollaries to these hypotheses are that the range of possible fault rupture histories is narrow enough to functionally constrain the range of strong ground motion predictions, and that a discreet set of rupture histories is sufficient to span the infinite combinations possible from a given range of rupture parameters.

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34 p.

Notes

OSTI as DE95013262

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  • International Union of Theoretical and Applied Mechanics symposium on mechanics problems in geodynamics, Beijing (China), 5-9 Sep 1994

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  • Other: DE95013262
  • Report No.: UCRL-JC--116437-Rev.1
  • Report No.: CONF-9409167--1-Rev.1
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 82464
  • Archival Resource Key: ark:/67531/metadc783132

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  • September 1, 1994

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  • Dec. 3, 2015, 9:30 a.m.

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  • Feb. 19, 2016, 11:06 a.m.

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Foxall, W.; Hutchings, L. & Jarpe, S. Lithological and rheological constraints on fault rupture scenarios for ground motion hazard prediction. Revision 1, article, September 1, 1994; California. (digital.library.unt.edu/ark:/67531/metadc783132/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.