Sitharam, TG (2009) Seismic Microzonation: A Tool for Disaster Mitigation Planning. In: Disaster Advances, 2 (3). pp. 3-4.
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Seismic microzonation has generally been recognized as the most accepted tool in seismic hazard assessment and risk evaluation. In general, risk reduction can be done by reducing the hazard, the vulnerability or the value at risk. Since the earthquake hazard can not be reduced, one has to concentrate on vulnerability and value at risk. The vulnerability of an urban area / municipalities depends on the vulnerability of infrastructure and redundancies within the infrastructure. The earthquake risk is the damage to buildings along with number of people that are killed / hurt and the economic losses during the event due to an earthquake with a return period corresponding to this time period. The principal approaches one can follow to reduce these losses are to avoid, if possible, high hazard areas for the siting of buildings and infrastructure, and further ensure that the buildings and infrastructure are designed and constructed to resist expected earthquake loads. This can be done if one can assess the hazard at local scales. Seismic microzonation maps provide the basis for scientifically based decision-making to reduce earthquake risk for Govt./public agencies, private owners and the general public. Further, seismic microzonation carried out on an appropriate scale provides a valuable tool for disaster mitigation planning and emergency response planning for urban centers / municipalities. It provides the basis for the identification of the areas of the city / municipality which are most likely to experience serious damage in the event of an earthquake.
| Item Type: | Editorials/Short Communications |
|---|---|
| Publication: | Disaster Advances |
| Additional Information: | Copyright of this article belongs to Disaster Advances. |
| Department/Centre: | Division of Mechanical Sciences > Civil Engineering |
| Date Deposited: | 12 Mar 2010 07:34 |
| Last Modified: | 12 Mar 2010 07:34 |
| URI: | http://eprints.iisc.ac.in/id/eprint/26135 |
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