نتایج جستجو برای: seismogenic zones

تعداد نتایج: 46792  

2002
Geoffrey King David Oppenheimer Falk Amelung

The relative role of block versus continuum deformation of continental lithosphere is a current subject of debate. Continuous deformation is suggested by distributed seismicity at continental plate margins and by cumulative seismic moment sums which yield slip estimates that are less than estimates from plate motion studies. In contrast, block models are favored by geologic studies of displacem...

Journal: :Geology 2021

Abstract Fault damage zones strongly influence fluid flow and seismogenic behavior of faults are thought to scale linearly with fault displacement until reaching a threshold thickness. Using analog modeling different frictional layer thicknesses, we investigate zone dynamic evolution during normal growth. We show that experimental growth is not linear but progressively tends toward thickness, b...

This paper study the recent seismicity in Earthquake hazard zones in India. A large historical earthquake event catalog to cover the period of 1900-2018, the parameters date, time, latitude, longitude, depth and magnitude has been used to calculating frequency-magnitude distribution (b-value) of seismic hazard zones in India. To convert different magnitude scales into a single moment magnitude ...

Journal: :Academia letters 2021

One condition to perform seismic hazard analysis is knowledge about seismogenic zones that an invaluable source of information and play important role because it fundamental know the processes properties control zone. The aim this work distinguishing in Azores region applying different parameters such as earthquake density, b-values, focal mechanism, historical seismicity all these conjugated w...

Journal: :Journal of Geophysical Research 2007

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان - دانشکده علوم زمین 1388

به منظور مطالعه بیواستراتیگرافی و پالئواکولوژی رسوبات دونین پسین، برشی در استان کرمان انتخاب گردید، که از لحاظ موقعیت زمین شناسی در ناحیه ایران مرکزی قرار دارد. برش باغین در شمال شرق باغین و 20 کیلومتری غرب کرمان واقع شده است. قدیمی ترین واحد دونین در این منطقه، سازند پادهاست که شامل ماسه سنگ های سفید و قرمز می باشد، این سازند به وسیله واحد هایی از دونین که معادل سازند بهرام می باشد، پوشیده می...

Journal: :Vestnik NÂC RK (Print) 2022

In certain territories of the East Kazakhstan region (Ust-Kamenogorsk, Semipalatinsk, Ulba object, Zaisan), a method for calculating seismic potential (maximum possible earthquake magnitude) was tested using geomagnetic data: values Z-component calculated in geocentric solar-magnetospheric coordinate system (GSM). Estimates based on data were compared with seismogenic zones territory region, ob...

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