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SSAHARA Project
Sub Saharan Hazard and Risk Assessment (SSAHARA)
PROFILE
Background
The East African Rift System (EARS) is the major active tectonic feature of the Sub-Saharan Africa (SSA) region. Although the seismicity level of such a divergent plate boundary can be described as moderate, several damaging earthquakes have been reported in historical times, and the seismic risk is exacerbated by the high vulnerability of the local buildings and structures. Formulation and enforcement of national seismic codes is therefore an essential risk mitigation
strategy.
A reliable risk assessment must be based on an updated and reliable seismic hazard model for the region. The last published regional model for SSA was developed within the frame of the GSHAP project and is almost 20 years old (Midzi et al., 1999).
The availability of new data, local and regional seismotectonic studies and recently developed methods and tools prompt the development of a new PSHA model summarizing the current state of knowledge in Sub-Saharan Africa.


Objectives
In September 2014, the United States Agency for International Development (USAID) GEM funding support to implement a program entitled “Reducing Earthquake Risk collaboratively by Building Capacity and Leveraging GEM’s Open Tools and Resources”. One of the objectives of this program was:
to build the capacity in sub-Saharan Africa for integrated risk assessment and development of city earthquake scenarios involving local decision-makers.
The project produced the SSA-GEM homogenized catalogue; the Seismic Source Zones; the Probabilistic Hazard Calculations; the Strain Rate Model; earthquake risk in East Sub-Saharan Africa; the residential building stock; and the Social Vulnerability and Integrated Risk in Sub Sahara Africa.
Location

Collaborators
The development of a regional model would not have been possible without the contribution of experts from the local scientific community. Partnership with local governmental institutions and authorities was an essential step to facilitate model acceptance and for potential integration with national seismic codes. GEM worked with the following institutions for the implementation of the SSAHARA project.
African Union;
AfricaArray;
FEPRA – Ethiopia;
University of Pennsylvania;
Addis Ababa City Government;
UNDP Regional Office; and
international agencies, municipalities and government agencies
Beneficiaries
The project has been successfully implemented in eight countries in Sub-Saharan Africa located in the regions where the seismic activity is highest: Burundi, Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Mozambique.
Funding partner
The CRAVE project is funded by the The United States Agency for International Development (USAID), an independent agency of the United States federal government that is primarily responsible for administering civilian foreign aid and development assistance.
Duration
2014 - 2016
