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Constraining fault constitutive behavior with slip and stress heterogeneity

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Constraining fault constitutive behavior with slip and stress heterogeneity; 2008; Article; Journal; Journal of Geophysical Research B: Solid Earth; Aagaard, B. T.; Heaton, T. H.

Summary

We study how enforcing self-consistency in the statistical properties of the preshear and postshear stress on a fault can be used to constrain fault constitutive behavior beyond that required to produce a desired spatial and temporal evolution of slip in a single event. We explore features of rupture dynamics that (1) lead to slip heterogeneity in earthquake ruptures and (2) maintain these conditions following rupture, so that the stress field is compatible with the generation of aftershocks and facilitates heterogeneous slip in subsequent events. Our three-dimensional fmite element simulations of magnitude 7 events on a vertical, planar strike-slip fault show that the conditions that lead to slip heterogeneity remain in place after [...]

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Type Scheme Key
local-index unknown 70031958
local-pk unknown 70031958
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1029/2006JB004793
series unknown Journal of Geophysical Research B: Solid Earth

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citationTypeArticle
journalJournal of Geophysical Research B: Solid Earth
languageEnglish
parts
typevolume
value113
typeissue
value4

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