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TitleSeismic risk aAssessment for British Columbia, accessible via web portal
AuthorBird, A L; Journeay, J M; Hastings, NORCID logo; Cassidy, J FORCID logo; Wagner, C
SourceSeismological Society of America Annual Meeting 2019, abstracts; 2019 p. 1 Open Access logo Open Access
LinksOnline - En ligne
Alt SeriesNatural Resources Canada, Contribution Series 20200477
PublisherSeismological Society of America
MeetingSeismological Society of America Annual Meeting 2019; Seattle, WA; US; April 23-26, 2019
DocumentWeb site
Mediaon-line; digital
File formathtml; pdf
ProvinceBritish Columbia
NTS82E; 82F; 82G; 82J; 82K; 82L; 82M; 82N; 82O; 83C; 83D; 83E; 92; 93; 94; 102; 103; 104; 114
Lat/Long WENS-139.2500 -114.0000 60.0000 48.0000
Subjectsgeophysics; Science and Technology; Nature and Environment; Health and Safety; seismology; seismic risk; earthquake risk; seismicity; models; building codes; National Building Code of Canada; Cascadia Subduction Zone; Websites
Released2019 04 01
AbstractNatural Resources Canada (NRCan) has employed Global Earthquake Model's (GEM) OpenQuake engine to undertake a national-scale earthquake risk assessment, which began with a provincially-focussed evaluation of British Columbia (BC), the most seismically hazardous region of the country. The assessment includes an implementation of the probabilistic seismic hazard model derived for the most recent National Building Code of Canada, and the development of deterministic seismic hazard models representing a range of potentially damaging earthquake scenarios along BC's coastline and some interior regions. Anticipated ground motions were combined with vulnerability data, including site conditions, buildings and infrastructure, and population.
Given that comprehensive assessments are invaluable for effective emergency planning, focussed risk mitigation measures, and disaster management, the results will be available via a web portal. The portal will be demonstrated though a selection of deterministic scenarios, including a megathrust earthquake of M~9.0 along the Cascadia Subduction Zone, a M~7.1 crustal earthquake adjacent to the City of Victoria's waterfront, a M~7.0 off Haida Gwaii, and a deep M~6.8 beneath the Strait of Georgia just west of the City of Vancouver. This work is supporting Canada's efforts toward meeting the recommendations within the Sendai Framework developed by the United Nations Office for Disaster Risk Reduction.

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