Probabilistic seismic hazard analyses for ground motions and fault displacement at Yucca Mountain, Nevada
Earthquake Spectra
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Abstract
Probabilistic seismic hazard analyses were conducted to estimate both ground motion and fault displacement hazards at the potential geologic repository for spent nuclear fuel and high-level radioactive waste at Yucca Mountain, Nevada. The study is believed to be the largest and most comprehensive analyses ever conducted for ground-shaking hazard and is a first-of-a-kind assessment of probabilistic fault displacement hazard. The major emphasis of the study was on the quantification of epistemic uncertainty. Six teams of three experts performed seismic source and fault displacement evaluations, and seven individual experts provided ground motion evaluations. State-of-the-practice expert elicitation processes involving structured workshops, consensus identification of parameters and issues to be evaluated, common sharing of data and information, and open exchanges about the basis for preliminary interpretations were implemented. Ground-shaking hazard was computed for a hypothetical rock outcrop at -300 m, the depth of the potential waste emplacement drifts, at the designated design annual exceedance probabilities of 10-3 and 10-4. The fault displacement hazard was calculated at the design annual exceedance probabilities of 10-4 and 10-5.
Suggested Citation
Stepp, J., Wong, I., Whitney, J.W., Quittmeyer, R., Abrahamson, N., Toro, G., Young, S., Coppersmith, K., Savy, J., and Sullivan, T., 2001, Probabilistic seismic hazard analyses for ground motions and fault displacement at Yucca Mountain, Nevada: Earthquake Spectra, v. 17, no. 1, p. 113-151, https://doi.org/10.1193/1.1586169.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Probabilistic seismic hazard analyses for ground motions and fault displacement at Yucca Mountain, Nevada |
| Series title | Earthquake Spectra |
| DOI | 10.1193/1.1586169 |
| Volume | 17 |
| Issue | 1 |
| Publication Date | February 01, 2001 |
| Year Published | 2001 |
| Language | English |
| Publisher | EERI |
| Description | 39 p. |
| First page | 113 |
| Last page | 151 |