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Verifying a computational method for predicting extreme ground motion

January 1, 2011

In situations where seismological data is rare or nonexistent, computer simulations may be used to predict ground motions caused by future earthquakes. This is particularly practical in the case of extreme ground motions, where engineers of special buildings may need to design for an event that has not been historically observed but which may occur in the far-distant future. Once the simulations have been performed, however, they still need to be tested. The SCEC-USGS dynamic rupture code verification exercise provides a testing mechanism for simulations that involve spontaneous earthquake rupture. We have performed this examination for the specific computer code that was used to predict maximum possible ground motion near Yucca Mountain. Our SCEC-USGS group exercises have demonstrated that the specific computer code that was used for the Yucca Mountain simulations produces similar results to those produced by other computer codes when tackling the same science problem. We also found that the 3D ground motion simulations produced smaller ground motions than the 2D simulations.

Citation Information

Publication Year 2011
Title Verifying a computational method for predicting extreme ground motion
DOI 10.1785/gssrl.82.5.638
Authors R.A. Harris, M. Barall, D. J. Andrews, B. Duan, S. Ma, E.M. Dunham, A.-A. Gabriel, Y. Kaneko, Y. Kase, Brad T. Aagaard, D. D. Oglesby, J.-P. Ampuero, T. C. Hanks, N. Abrahamson
Publication Type Article
Publication Subtype Journal Article
Series Title Seismological Research Letters
Series Number
Index ID 70034256
Record Source USGS Publications Warehouse
USGS Organization

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