دانلود Hybrid Stochastic Finite Fault Modeling of 2003, M6.5, Bam Earthquake (Iran)

ترجمه فارسی Hybrid Stochastic Finite Fault Modeling of 2003, M6.5, Bam Earthquake (Iran)
قیمت : 285,000 ریال
شناسه محصول : 2009621
نویسنده/ناشر/نام مجله : Journal of Seismology
سال انتشار: 2004
تعداد صفحات انگليسي : 21
نوع فایل های ضمیمه : Pdf+Word
حجم فایل : 489 Kb
کلمه عبور همه فایلها : www.daneshgahi.com
عنوان انگليسي : Hybrid Stochastic Finite Fault Modeling of 2003, M6.5, Bam Earthquake (Iran)

چکیده

 Abstract

Accelerographic time series of the M6.5 Bam (Iran) earthquake of December 26, 2003, are used to calibrate the source and propagation path characteristics based on a hybrid stochastic approach, which includes stochastic finite fault and analytical modeling. Estimation of source characteristics is based on the calibration of finite-fault modeling to near-source observed time series, while propagation characteristics are estimated using far-field recorded ones. The distance-dependent Kappa factor is obtained from the slope of smoothed amplitude of acceleration Fourier spectrum at higher frequencies. The estimated zero-distance Kappa value is 0.06. Calibration based on near-source time series indicates a stress drop of 130 bars for the Bam earthquake. The strong impulsive long-period motion, recorded at the only near-source station, is modeled using analytical modeling of Mavroeidis and Papageorgiou (2003).

Keywords: Seismology Bam earthquake Ground motion simulation
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