نتایج جستجو برای: thrust fault

تعداد نتایج: 72700  

2007
Barbara Romanowicz

_Abstract., The recent occurrence of several large su'ike-slip earthquakes provides the opportunity to review and complement available data on the scaling of seismic moment (Mo) with length of rupture (L) for large earthquakes, depending on their tectonic setting and mechanism. For strikeslip earthquakes onquasi-vertical transcurrent faults, the Mo versus L relation has a significant change of ...

Journal: :Frontiers in Earth Science 2021

We developed a forward model using the Trishear module in MOVE to better understand structure of northwestern San Fernando Valley and relationship among Santa Susana, Hospital, Mission Hills Northridge faults. This study was motivated by 1971 earthquake previous work that inferred high slip rate on Susana fault, which is apparent contrast lack significant geomorphic expression fault Sylmar Basi...

2006
Wonn Soh Tim Byrne Asahiko Taira Atsushi Kono

X-ray computed tomography (CT) is a promising tool that yields data useful for understanding the fine-scale density structure of partly lithified and tectonically deformed sediments. We conducted 21 CT scans of ODP Leg 131 sediments, including whole-round cores and thin-section chips, obtained from the toe of the Nankai accretionary prism. The samples range from highly deformed pieces from the ...

2001
J. Vergne R. Cattin J. P. Avouac

Creeping dislocations in an elastic half-space are commonly used to model interseismic deformation at subduction zones, and might also apply to major intracontinental thrust faults such as the Main Himalayan Thrust. Here, we compare such models with a more realistic 2-D finite element model that accounts for the mechanical layering of the continental lithosphere and surface processes, and that ...

Journal: :Swiss Journal of Geosciences 2021

Abstract This report summarizes the seismicity in Switzerland and surrounding regions years 2017 2018. In 2018, Swiss Seismological Service detected located 1227 955 earthquakes region under consideration, respectively. The strongest event analysed period was M L 4.6 Urnerboden earthquake, which occurred border of cantons Uri, Glarus Schwyz on March 6, 2017. earthquake within since 5.0 Vaz 1991...

Hassan Haji Hosseinlou

Metamorphic and various intrusive rocks in the Urmia area are located in a transpressed active continental margin. These complexes in the Zagros orogen were deformed during an oblique convergence scenario between the Arabian and Sanandaj–Sirjan blocks in NW Iran. The Urmia area contains both NW-SE striking dextral strike-slip and SW verging NE dipping ductile reverse shear fabrics. Ductile shea...

Journal: :فیزیک زمین و فضا 0
معصومه آمیغ پی دانشجوی دکتری، دانشکده مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی، تهران، ایران بهزاد وثوقی دانشیار، دانشکده مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی، تهران، ایران مهدی معتق استادیار، گروه مهندسی نقشه برداری، پردیس دانشکده های فنی، دانشگاه تهران، ایران سیاوش عربی رییس اداره ترازیابی دقیق، سازمان نقشه برداری کشور، تهران، ایران

studying active faults behavior for earthquake prediction and recognition is a concentrated subject in earth science. precise measurements of earthsurface deformation by geodetic observation provide a good reference for studying different geodynamic phenomena.  applying geodetic measurements in postseismic and interseismic intervals is an important tool for estimating strain accumulation and rh...

2002
Michele L. Cooke Ayako Kameda

[1] Mechanical models examine deformation within eight different structural cross sections proposed by Davis et al. [1989] and Shaw and Suppe [1996] along a northeastsouthwest transect across the Los Angeles Basin, California. Horizontal contraction of the models, constrained by geodetic measurements, yields varying dip-slip rates along frictionally sliding faults within the different cross sec...

In this paper, a new design of permanent magnet linear synchronous motor (PMLSM) for electromagnetic launcher system (EMLs) has been investigated in terms of the requisite amount of average launching thrust force and thrust force ripple minimization through finite element method. EMLs are a kind of technology used to develop thrust force and launch heavy loads with different applications includ...

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