نتایج جستجو برای: psha

تعداد نتایج: 124  

گسترۀ بررسی شده در جنوب البرز مرکزی و لبۀ شمال­باختری ایران ­مرکزی در بین گسل‌های لرزه­خیز ایپک با راستای تقریبی خاوری- ­باختری و گسل آوج با راستای شمال­باختری- جنوب­‌خاوری واقع شده است و محل رخداد زمین­لرزه­های مهم تاریخی و دستگاهی متعددی است. در این پژوهش به‌منظور تعیین میزان فعالیت نو­زمین­ساختی، ­زمین­ساخت ­فعال منطقه ارزیابی شده است و تحلیل­ خطر­احتمالی گستره نیز انجام شده است. بنابراین بر...

Journal: :IOP conference series 2022

Abstract This paper presents calculated ground motions for Merangin Kerinci in the Provinsi of Jambi Sumatera. The were using a probabilistic seismic hazard analysis. earthquake catalogue used analysis included all recorded earthquakes up to end July 2019, trimmed magnitude completeness. Uncertainty input parameters was considered logic tree, with branches including shallow crustal faults Great...

Journal: :Frontiers in Earth Science 2023

The probabilistic seismic hazard function (PSHF) before large earthquake events based on the hypothesis forecast algorithm using Akaike information criterion (AIC) is performed in this study. motivation for AIC to better understand reliability model used construct PSHF. PSHF as of b-value calculated a 5-year window length with 1-year moving (instantaneous PSHF) event. likelihood success and fai...

Journal: :Bulletin of Earthquake Engineering 2022

Abstract We apply the Probabilistic Seismic Hazard Analysis (PSHA) and compute Physics-Based Simulations (PBS) of ground motion for three dams in Campotosto area (Central Italy). The dams, which confine an artificial water reservoir feeding hydroelectric power plants, are located active seismic zone between areas that experienced 2009 L’Aquila 2016–2017 Central Italy sequences. probabilistic di...

Journal: :Soil Dynamics and Earthquake Engineering 2021

In practice, the performance of structure is studied based on a seismic scenario composed independent single earthquakes. But in real life, subjected to multiple earthquakes during its typical design working which will produce an evolution damage with time.The main purpose this paper quantify liquefaction-induced embankment due sequential defined life. Moreover, non-parametric survival analysis...

Journal: :Seismological Research Letters 2022

Abstract Moderate-to-large-magnitude earthquakes induce considerable short-to-medium-term increases in seismic hazard, due to the subsequent occurrence of aftershocks. Most studies on aftershock models focus their performance as part Operational Earthquake Forecasting (i.e., real- or near-real-time predictions ongoing sequences). Aftershock model validation a longer timescale is scarcely dealt ...

Journal: :Standards 2021

In late 2017, the Malaysian National Annex (NA) to Eurocode 8 (EC8) was released and enacted following some 13 years of deliberations preparations. The authors this paper aim use article share their experiences reflections during period developing first national standard for seismic design buildings Malaysia. To begin with, there were major challenges in implementing 20-year-old EC8 framework a...

2014

Editor’s note: The following is the text of the SSA Presidential Address presented at the Annual Luncheon of the Seismological Society of America (SSA) Annual Meeting on 30 April 2014. The Seismological Society of America (SSA) has always been dedicated to understanding and reducing the earthquake threat. The Society was founded in 1906 “for the acquisition and diffusion of knowledge concerning...

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