Upload
truongtruc
View
213
Download
0
Embed Size (px)
Citation preview
Provinces by ratio (AAL/Province Exposure)
lowest ratio nnnnn highest ratio
Country At-A-Glance
Two representations of earthquake risk
EL SALVADOR Earthquakes and Hurricanes RISK PROFILE
Urban 66%
Public 16%
The earthquake risk in El
Salvador is more significant
than the hurricane risk.
Annual Average Loss
(AAL) from earthquakes
is US$ 175.93M (0.70% of GDP) and
from hurricanes is US$ 2.94M (0.01% of GDP).
The Probable Maximum
Loss for earthquakes (250
year return period) is US$ 3.9B (15.5% of GDP) and for hurricanes (250
year return period) is US$ 374M (1.5% of GDP).
Single-family, residential
houses constructed with
reinforced masonry bearing
walls are the buildings most
vulnerable to earthquakes accounting for over 31% of AAL.
GDP US$ 25.2 billion
Population 6.4 million
Total Building Exposure US$ (Replacement Value)37.1 billion
Rural 34%
Private 84%
Snapshot
Population Gross CapitalStock
What is a country disaster risk profile?An estimation of the potential economic losses to property caused by adverse natural events.
Country DisasterRisk ProfileApplications
Evaluate impact of disasters
Develop key baseline data
Promote and inform risk reduction
Inform disaster risk financing
Absolute Risk: The larger the circle, the higher the Annual Average Losses that the province could potentially incur over the long term.
Relative Risk: The darker the color, the higher the ratio of AAL/Province Exposure. The darkest color represents the province of Usulutan which has a higher proportion of vulnerable structures due to construction types and/or potentially higher earthquake intensity.
14
AAL (in millions US$)
1.5-7.37.4-23
24-60
Pub
lic D
iscl
osur
e A
utho
rized
Pub
lic D
iscl
osur
e A
utho
rized
Pub
lic D
iscl
osur
e A
utho
rized
Pub
lic D
iscl
osur
e A
utho
rized
Estimated Losses Due to HURRICANESEstimated Losses Due to EARTHQUAKES
50 10050Historical 250100 500250 1,000500 1,000
To learn more, visit: collaboration.worldbank.org/groups/cdrp or email [email protected]
What is at risk in El Salvador?Economic assets such as residential and non-residential buildings are at risk. These assets that are exposed to natural disasters are referred to as a country’s Building Exposure.
The map illustrates the value and distribution of residential and non-residential buildings in El Salvador at risk from earthquakes and hurricanes.
What are the potential losses in El Salvador? These graphs show the estimated potential future losses to El Salvador that could be caused by earthquakes and hurricanes that occur within a given return period. In 2001, a magnitude 7.6 earthquake struck El Salvador. If this historical event were to happen in 2015, it would cause losses of US$ 1,810M, amounting to 7% of GDP.
How can earthquake risk be reduced?
Risk reduction interventions could be prioritized in the highest risk ranked province of Usulutan (see map on previous page). At an estimated additional cost of US$ 130M, most single family adobe buildings in Usulutan could be retrofitted up to the standards of reinforced concrete buildings which would reduce their risk to earthquakes by approximately 80%. This would also reduce the country’s AAL by 5%.
AAL
as a
% o
f its
tota
l
AAL
as a
% o
f exp
osed
val
ue (r
isk
indi
cato
r)
Generalized construction type
Mill
ions
(US$
)
Mill
ions
(US$
)
Return period in yearsReturn period in years
Adobe MasonryWood Concrete Critical Infrastructure
Other
80%
70%
60%
50%
40%
30%
20%
10%
0%
1.6%
1.4%
1.2%
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
$600
$400
$200
$0
$8,000
$6,000
$4,000
$2,000
0
n AAL as % of exposed value n AAL as % of total
Legend Exposure (in millions US$) n < 11 n 11 – 36 n 37 – 81 n 82 – 152 n > 152
EL SALVADOR
Financed byIn Collaboration with
© 2016 International Bank for Reconstruction and Development / The World Bank 1818 H Street NW Washington DC 20433 Telephone: 202-473-1000 Internet: www.worldbank.org This work is a product of the staff of The World Bank with external contributions. The findings, interpretations, and conclusions expressed in this work do not necessarily reflect the views of The World Bank, its Board of Executive Directors, or the governments they represent. The World Bank does not guarantee the accuracy of the data included in this work. The boundaries, colors, denominations, and other information shown on any map in this work do not imply any judgment on the part of The World Bank concerning the legal status of any territory or the endorsement or acceptance of such boundaries. Rights and Permissions
The material in this work is subject to copyright. Because The World Bank encourages dissemination of its knowledge, this work may be reproduced, in whole or in part, for noncommercial purposes as long as full attribution to this work is given. Any queries on rights and licenses, including subsidiary rights, should be addressed to World Bank Publications, The World Bank Group, 1818 H Street NW, Washington, DC 20433, USA; fax: 202-522-2625; e-mail: [email protected].
EL SALVADOR