Slip accumulation and lateral propagation of active normal faults in Afar
نویسندگان
چکیده
منابع مشابه
Maerten: Slip Vectors on Intersecting Normal Faults
Numerical models based on linear elasticity theory predict asymmetric slip distribution with a steep slip gradient near the line of intersection of intersecting normal faults. They also predict a discrepancy between the direction of slip on the fault plane and the direction of resolved shear stress. Both variations in slip magnitude and direction are due to mechanical interaction between the fa...
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[1] The Chinese mainland features widespread active faults and intensive seismic activity; both can be described in terms of slip rates on these faults. Previous studies of fault slip rates in mainland China have focused on individual faults or fault segments, and large discrepancies exist among results derived from different methods. Here we derive a self‐consistent estimate of the slip rates ...
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[1] We perform two-dimensional dynamic models of strike-slip faults with a change in strike (a bend) over multiple earthquake cycles to examine the long-term effects of nonplanar fault geometry. A viscoelastic model (a proxy for off-fault deformation and tectonic loading) is introduced for the interseismic process to avoid pathological stress buildup around the bend. A finite element method wit...
متن کاملQuantitative Evaluation of the Lateral Sealing Ability of Normal Faults in Siliciclastic Sequences: Implication for Fault Trap in Well Gang 64, in the West Qikou Sag, China
The lateral sealing ability of a normal fault is a major factor in creating hydrocarbon traps. Therefore, a methodology for assessing the sealing ability of faults in the siliciclastic sequences of subsidence basins has been established; moreover, by using this methodology, the uncertainty inherent in hydrocarbon exploration can be decreased. Moreover, the petrophysical properties of fault roc...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Solid Earth
سال: 2001
ISSN: 0148-0227
DOI: 10.1029/2000jb900471