We provide a methodology that seamlessly integrates national seismic hazard models across the Canada-U.S. border to provide earthquake risk managers with updated and consistent seismic hazard science and technology in the two countries. Consistent with our U.S. hazard model, we developed a new Canadian model that incorporates (1) spatially varying seismicity for the major metropolitan areas of southeastern and southwestern Canada and the United States, (2) a comprehensive probabilistic model for the Cascadia subduction zone that includes M 8.0–9.2 interface earthquakes, (3) a consistent set of ground motion prediction equations across eastern and western North America, and (4) a soil-based attenuation (SBA) methodology that mitigates uncertainty in the conversion of earthquake motions from rock to soil, on which the majority of exposure is located. NEHRP site conditions are mapped for all of Canada from existing geological data, and NEHRP site factors are used to account for local site conditions.
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Research Article|
February 01, 2015
A Consistent Cross-Border Seismic Hazard Methodology for Loss Estimation and Risk Management along the Border Regions of Canada and the United States
Paul C. Thenhaus, M. EERI;
Paul C. Thenhaus, M. EERI
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
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Kenneth W. Campbell, M. EERI;
Kenneth W. Campbell, M. EERI
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
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Nitin Gupta;
Nitin Gupta
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
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David F. Smith;
David F. Smith
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
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Mahmoud M. Khater
Mahmoud M. Khater
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
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Paul C. Thenhaus, M. EERI
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
Kenneth W. Campbell, M. EERI
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
Nitin Gupta
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
David F. Smith
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
Mahmoud M. Khater
a)
CoreLogic EQECAT, Inc., Model Development Group, 475 14th Street, Suite 550, Oakland, CA 94612-1938, USA
Publisher: Earthquake Engineering Research Institute
Received:
07 Mar 2013
Accepted:
31 Aug 2013
First Online:
04 Jun 2020
Online ISSN: 1944-8201
Print ISSN: 8755-2930
© 2015 Earthquake Engineering Research Institute
Earthquake Engineering Research Institute
Earthquake Spectra (2015) 31 (1): 1–17.
Article history
Received:
07 Mar 2013
Accepted:
31 Aug 2013
First Online:
04 Jun 2020
Citation
Paul C. Thenhaus, Kenneth W. Campbell, Nitin Gupta, David F. Smith, Mahmoud M. Khater; A Consistent Cross-Border Seismic Hazard Methodology for Loss Estimation and Risk Management along the Border Regions of Canada and the United States. Earthquake Spectra 2015;; 31 (1): 1–17. doi: https://doi.org/10.1193/030713EQS065M
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Index Terms/Descriptors
- acceleration
- attenuation
- bedrock
- Canada
- Cascadia subduction zone
- classification
- data bases
- data processing
- earthquakes
- Eastern Canada
- geologic hazards
- ground motion
- international cooperation
- magnitude
- models
- Montreal and Jesus Islands County Quebec
- Montreal Quebec
- natural hazards
- Ontario
- prediction
- probability
- Quebec
- reactivation
- recurrence interval
- rift zones
- risk assessment
- risk management
- seismicity
- soils
- spectra
- statistical analysis
- Toronto Ontario
- United States
- urban environment
Latitude & Longitude
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