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Showing 1 to 12 of 12 for “"Seismic hazard assessment"”.
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Seismic hazard assessment in Central Asia
Central Asia is one of the world’s most seismically active regions, with the highest level of seismic hazard. Usually seismic hazard is estimated considering ground motion at rock site, but since the ground motion could vary significantly over short distances due to local surficial geology, it is …
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From Fault Dynamics to Seismic Hazard Assessment
… of improved methodologies for the evaluation of seismic hazard and its related uncertainties, based on the study of active faults systems and dynamic modelling of the seismic cycle. I worked in particular on the probabilistic estimate of a fault‘s maximum magnitude earthquake and of its return …
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Seismic Hazard Assessment for Mainland China Based on Spatially Smoothed Seismicity and Projected Sets of Ground Motion Models
The latest version of the Chinese seismic hazard map (CSHM) (i.e., fifth-generation CSHM) was developed based on the delineated seismic source model, which is defined based on geological and seismological information but also with some subjectivities. The results of the CSHM were presented in terms …
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An investigation into the geomorphology of the Hebron Fault, Namibia, using a satellite-derived, high-resolution digital elevation model (DEM)
… plate. The country also has little recorded seismicity with the largest earthquake on the International Seismological Center (ISC) catalogue being MW 5.4. If the Hebron fault scarp was formed in a single event, this would represent a MW 7.3 earthquake. SCRs do occasionally experience large …
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Characterizing microearthquakes and shallow structure with dense array and optical fibers
… help us to constrain source physics and assess seismic hazards. Small events carry information about the stress state in the subsurface. They also help us predict the behavior of larger earthquakes. However, the source properties of small earthquakes (magnitude less than 3) are poorly …
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South Australian historical earthquakes in the pre-instrumental period 1837-1963: a comprehensive chronicle and analysis of available intensity data.
Macroseismic data in the form of felt reports of earthquake shaking is vital to seismic hazard assessment, especially in view of the relatively short period of instrumental recording in many countries. During the early 1990s, a very detailed examination of historical earthquake records held in the …
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The 3D in-situ stress field and its changes in geothermal reservoirs
… for geotechnical applications and physics-based seismic hazard assessment. Yet, stress data records for a data point are incomplete and their availability is usually not dense enough to allow conclusive statements. This demands a thorough examination of the in-situ stress field which is achieved …
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Approaches to earthquake scenarios validation using seismic site response
A seismic hazard assessment was carried out for the Catania and Siracusa towns providing a comprehensive re-examination and re-processing of all the available seismic data. The site approach and the seismotectonic one were used and compared. The hazard assessment, using both methods, was performed …
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3d rheological modelling in the aegean region and its importance for the seismotectonics of the area
… Region, for the purpose of seismotectonic and seismic hazard characterization. The concept behind this project resides in the link between rheological parameters obtained from the modelling and the properties of the corresponding rocks in terms of seismogenic behaviour. For the modelling, two …
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Neotectonics and Paleoseismology of the North Frontal Thrust System, southern California
Seismic hazard assessment of intersecting fault systems, such as the strike-slip and reverse faults of the Los Angeles basin, is hindered by complex patterns of rupture that are currently difficult to predict. To improve this understanding, constraints on the previous rupture patterns of such …
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Analysis and modeling of transient earthquake patterns and their dependence on local stress regimes
… aftershock triggering as well as induced seismicity, is important for seismic hazard assessment due to earthquakes destructive power. One of the approaches to study earthquake triggering and their interactions is the use of statistical earthquake models, which are based on knowledge of the …
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Development of techniques for earthquake microzonation studies in different urban environment
… the requirement for improved capabilities in hazard assessment, as well as the rapid adjustment and development of land-use planning. In particular, within the context of seismic hazard assessment, the evaluation of local site effects and their influence on the spatial distribution of ground …