Vitor Silva

GEM Foundation, Pavia, Italy

Calculating costs and benefits of investing in retrofitting

Calculating costs and benefits of investing in retrofitting

Region of interest: Nepal

1. 2221 locations

2. 9144 assets

3. 5 taxonomies

4. ≈140.000 km2

5. Number, area,

economic value,

retrofitting cost.

Calculating costs and benefits of investing in retrofitting

Scenario Risk CalculatorMagnitude: 7.0 Mw, Mean loss: 8.7 billion EUR, Standard deviation: 2.1 billion EUR

Calculating costs and benefits of investing in retrofitting

Scenario Damage CalculatorMagnitude: 7.0 Mw

Damage distribution per asset

Total damage distribution

Damage distribution per taxonomy

Calculating costs and benefits of investing in retrofitting

Scenario Damage CalculatorMagnitude: 7.0 Mw

Calculating costs and benefits of investing in retrofitting

Benefit/Cost Ratio CalculatorPre-code and retrofitted vulnerability functions.

Original vulnerability model Retrofitted vulnerability model

Calculating costs and benefits of investing in retrofitting

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Calculating costs and benefits of investing in retrofitting

Benefit/Cost Ratio Calculator

Benefit/cost ratio, AAL(original) and AAL(retrofitted).

Calculating costs and benefits of investing in retrofitting

Benefit/cost ratio, AAL(original) and AAL(retrofitted).

Calculating costs and benefits of investing in retrofitting

Benefit/cost ratio, AAL(original) and AAL(retrofitted).

Calculating costs and benefits of investing in retrofitting

Seismic hazard map for 475 years

Calculating costs and benefits of investing in retrofitting

Vulnerability model for structural components

Calculating costs and benefits of investing in retrofitting

Vulnerability model for structural components

Calculating costs and benefits of investing in retrofitting

Loss exceedance curves

Calculating costs and benefits of investing in retrofitting

Optimal design map

Calculating costs and benefits of investing in retrofitting

Optimal design map

Calculating costs and benefits of investing in retrofitting

2012 Mw=5.9 Emilia-Romagna earthquake

24 fatalities400 injured20,000 homeless$17.4B direct losses

Calculating costs and benefits of investing in retrofitting

Thank you.

Except where otherwise noted, this work is licensed under: creativecommons.org/licenses/by-nc-nd/4.0/

Please attribute to the GEM Foundation with a link to -www.globalearthquakemodel.org