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Title: Addressing earthquake strong ground motion issues at the Idaho National Engineering Laboratory

Abstract

In the course of reassessing seismic hazards at the Idaho National Engineering Laboratory (INEL), several key issues have been raised concerning the effects of the earthquake source and site geology on potential strong ground motions that might be generated by a large earthquake. The design earthquake for the INEL is an approximate moment magnitude (M{sub w}) 7 event that may occur on the southern portion of the Lemhi fault, a Basin and Range normal fault that is located on the northwestern boundary of the eastern Snake River Plain and the INEL, within 10 to 27km of several major facilities. Because the locations of these facilities place them at close distances to a large earthquake and generally along strike of the causative fault, the effects of source rupture dynamics (e.g., directivity) could be critical in enhancing potential ground shaking at the INEL. An additional source issue that has been addressed is the value of stress drop to use in ground motions predictions. In terms of site geology, it has been questioned whether the interbedded volcanic stratigraphy beneath the ESRP and the INEL attenuates ground motions to a greater degree than a typical rock site in the western US. These three issuesmore » have been investigated employing a stochastic ground motion methodology which incorporates the Band-Limited-White-Noise source model for both a point source and finite fault, random vibration theory and an equivalent linear approach to model soil response.« less

Authors:
 [1]; ;  [2]; ;  [3]
  1. Woodward-Clyde Consultants, Oakland, CA (United States)
  2. Pacific Engineering & Analysis, El Cerrito, CA (United States)
  3. EG and G Idaho, Inc., Idaho Falls, ID (United States)
Publication Date:
Research Org.:
EG and G Idaho, Inc., Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10167087
Report Number(s):
EGG-M-91365; CONF-9110122-29
ON: DE92017841
DOE Contract Number:  
AC07-76ID01570
Resource Type:
Conference
Resource Relation:
Conference: Natural phenomena hazards mitigation conference,St. Louis, MO (United States),15-18 Oct 1991; Other Information: PBD: [1991]
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 58 GEOSCIENCES; EARTHQUAKES; STRESSES; GROUND MOTION; COMPUTERIZED SIMULATION; IDAHO NATIONAL ENGINEERING LABORATORY; SEISMIC WAVES; SNAKE RIVER PLAIN; NUCLEAR FACILITIES; GEOLOGIC FAULTS; RUPTURES; POINT SOURCES; MECHANICAL VIBRATIONS; SENSITIVITY ANALYSIS; ENVIRONMENTAL IMPACTS; 540250; 580000; SITE RESOURCE AND USE STUDIES; GEOSCIENCES

Citation Formats

Wong, I G, Silva, W J, Stark, C L, Jackson, S, and Smith, R P. Addressing earthquake strong ground motion issues at the Idaho National Engineering Laboratory. United States: N. p., 1991. Web.
Wong, I G, Silva, W J, Stark, C L, Jackson, S, & Smith, R P. Addressing earthquake strong ground motion issues at the Idaho National Engineering Laboratory. United States.
Wong, I G, Silva, W J, Stark, C L, Jackson, S, and Smith, R P. 1991. "Addressing earthquake strong ground motion issues at the Idaho National Engineering Laboratory". United States. https://www.osti.gov/servlets/purl/10167087.
@article{osti_10167087,
title = {Addressing earthquake strong ground motion issues at the Idaho National Engineering Laboratory},
author = {Wong, I G and Silva, W J and Stark, C L and Jackson, S and Smith, R P},
abstractNote = {In the course of reassessing seismic hazards at the Idaho National Engineering Laboratory (INEL), several key issues have been raised concerning the effects of the earthquake source and site geology on potential strong ground motions that might be generated by a large earthquake. The design earthquake for the INEL is an approximate moment magnitude (M{sub w}) 7 event that may occur on the southern portion of the Lemhi fault, a Basin and Range normal fault that is located on the northwestern boundary of the eastern Snake River Plain and the INEL, within 10 to 27km of several major facilities. Because the locations of these facilities place them at close distances to a large earthquake and generally along strike of the causative fault, the effects of source rupture dynamics (e.g., directivity) could be critical in enhancing potential ground shaking at the INEL. An additional source issue that has been addressed is the value of stress drop to use in ground motions predictions. In terms of site geology, it has been questioned whether the interbedded volcanic stratigraphy beneath the ESRP and the INEL attenuates ground motions to a greater degree than a typical rock site in the western US. These three issues have been investigated employing a stochastic ground motion methodology which incorporates the Band-Limited-White-Noise source model for both a point source and finite fault, random vibration theory and an equivalent linear approach to model soil response.},
doi = {},
url = {https://www.osti.gov/biblio/10167087}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 31 00:00:00 EST 1991},
month = {Tue Dec 31 00:00:00 EST 1991}
}

Conference:
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