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Seismic Hazard and Risk Assessment

 

 Seismic Hazard and Risk Assessment

Seismic Hazard and Risk Assessment



 bstract Understanding of lithosphere dynamics, tectonic stress ocalization,earthquake occurrences, and seismic hazards has significantly advanced during the last decades. Meanwhile despite the major advancements in geophysical sciences, yet we do not see a decline in earthquake disaster impacts and losses.

Although earthquake disasters are mainly associated with significant vulnerability of society, comprehensive seismic hazards assessments and earthquake forecasting could contribute to preventive measures aimed to reduce impacts of earthquakes.

Modelling of lithosphere dynamics and earthquake simulations coupled with a seismic hazard analysis can provide a better assessment of potential ground shaking due to earthquakes.

 This chapter discusses a quantitative approach for simulation ofearthquakes due to lithosphere dynamics that allows for studying the influence of fault network properties and regional movements on seismic patterns. Results of earthquake simulations in several seismic-prone regions, such as the Vrancea region in the southeaster Carpathians, the Caucasian region, and the Tibet-Himalayan, are overviewed. A use of modelled seismicity in a probabilistic seismic hazard analysis is then discussed.


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