Relation between stress heterogeneity and aftershock rate in the rate-and-state model
نویسندگان
چکیده
منابع مشابه
Relation between stress heterogeneity and aftershock rate in the rate-and-state model
[1] We estimate the rate of aftershocks triggered by a heterogeneous stress change, using the rate-and-state model of Dieterich. We show that an exponential stress distribution Pt(t) exp( t/t0) gives an Omori law decay of aftershocks with time 1/t, with an exponent p = 1 Asn/t0, where A is a parameter of the rate-and-state friction law and sn is the normal stress. Omori exponent p thus decrease...
متن کامل. ge o - ph ] 2 8 Fe b 20 06 1 Relation between stress heterogeneity and aftershock rate in the rate - and - state model
We estimate the rate of aftershocks triggered by a heterogeneous stress change, using the rate-and-state model of Dieterich [1994]. We show that an exponential stress distribution Pτ (τ) ∼ exp(−τ/τ0) gives an Omori law decay of aftershocks with time ∼ 1/t, with an exponent p = 1− Aσn/τ0, where A is a parameter of the rate-and-state friction law, and σn the normal stress. Omori exponent p thus d...
متن کاملEstimating stress heterogeneity from aftershock rate
We estimate the rate of aftershocks triggered by a heterogeneous stress change, using the rate-and-state model of Dieterich [1994]. We show than an exponential stress distribution P (τ) ∼ exp(−τ/τ0) gives an Omori law decay of aftershocks with time ∼ 1/t, with an exponent p = 1−Aσn/τ0, where A is a parameter of the rate-and-state friction law, and σn the normal stress. Omori exponent p thus dec...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research
سال: 2006
ISSN: 0148-0227
DOI: 10.1029/2005jb004077