Seismic hazard and earthquake loss estimates for Greater Victoria
Martin P. Zaleski P.Geo., CEG
M.Sc. Candidate Department of Earth Sciences
Simon Fraser University
Modified after: Monahan, P.A., Levson, V.M., Henderson, P., & Sy, A. (2000). Quaternary geological map of Greater Victoria. BC Geological Survey Branch, Geoscience Map 2000-2.
Liquefaction susceptibility estimates based on criteria proposed by Youd and Perkins (1978) and recommended for use in HAZUS. Based on mapping by Monahan et al. (2000).
Modified after: McQuarrie, E.J. & Bean, S.M. (2000). Seismic slope stability map of Greater Victoria. BC Geological Survey Branch, Geoscience Map 2000-3c.
Note: Median ground motion prediction for M 7.2 earthquake on the Leech River Fault. No probability has been assigned to this scenario. PGA in g.
0.01
0.1
1
10
0.01 0.1 1 10
Sa (
g)
T (s)
M=7.1, 5 km, Reverse
Median PSA
Median PSA + 1 SD
Task 1 Build Shake Maps
Deterministic Scenarios
Amplification
Liquefaction & Landsliding
๐ฟ๐ ๐๐๐ด(๐) = ๐ผ1 ๐ + ๐ผ2 ๐ ๐ โ ๐ฝ1 ๐ + ๐ฝ2 ๐ ๐ โ ๐ฟ๐ ๐ ๐๐ข๐ + 10 + ๐พ ๐ ๐ ๐๐ข๐ + ๐ ๐ ๐น ๐๐ธ = 1.28 + 0.05 โ ๐ฟ๐ ๐ โ 0.08 โ ๐
Task 2 Structural and Demographic Inventories
Scale and Resolution
โข Census Tract
โข Census Subdivision
โข Point Features
Data
โข Value (BC Assessment)
โข Structural (BCA, UBC)
โข Critical Facilities (CRD)
โข Age, Income, Ethnicity (StatsCan)