Abstract
AbstractThis study integrates risk assessment tools for diagnosis of urban areas against seismic disasters (RADIUS) and geographic information system (GIS), hence forth denoted as GBR (GIS based RADIUS). The GBR is applied for seismic damage estimation of city of Kelowna, in the interior of British Columbia, Canada. Ground-shaking intensity in the area was developed utilizing the seismic source zones defined by the Geological Survey of Canada and opinions from the local experts. Building inventories were compiled by aggregating data from municipal databases as well as sidewalk surveys and surveys through Google Maps. The GIS tool came in to be handy to provide a basis for effective decision making and gauge the vulnerable areas. Estimated damage and damage distributions were mapped on a block-by-block (5×5 km) basis. The assessment revealed that an earthquake scenario of M8.5 in the Cascadia Zone may potentially damage around 58 buildings within the city, causing 12 injuries. Plus, the study showed some d...
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