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SEISMIC HAZARD ASSESSMENT – A HOLISTIC MICROZONATION APPROACH (2009)

The probable mitigation and management issues of seismic hazard necessitate seismic microzonation for hazard and risk assessment at the local level. Such studies are preceded with those at a regional level. A comprehensive framework, therefore, encompasses several phases from information compilations and data recording to analyses and interpretations. The state-of-the-art methodologies involve multi-disciplinary approaches namely geological, seismological, and geotechnical methods delivering multiple perspectives on the prevailing hazard in terms of geology and
geomorphology, strong ground motion, site amplification, site classifications, soil liquefaction potential, landslide susceptibility, and predominant frequency. The composite hazard is assessed accounting for all the potential hazard attributing features with relative rankings in a logic tree, fuzzy set or hierarchical concept.
Reference:
Nat. Hazards Earth Syst. Sci., 9, 1445–1459, 2009
Organization:
Dept. of Geology and Geophysics, Indian Institute of Technology, Kharagpur, India
India
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