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Description
The first version of the hazard model for Sub-Saharan Africa (v2016.0.0) was developed by GEM in collaboration with AfricaArray within the USAID-supported SSAHARA project.
The original model is extensively described in Poggi et al. (2017). Since the original version, an extended and improved version was developed (v2018.0.0) by introducing a procedure of earthquake-driven redistribution of activity rates (smoothed seismicity approach) on the previously defined source zones. Moreover, the current model includes Madagascar, for which an ad-hoc seismicity analysis was carried out.
The latest version (v2018.0.1) was used in the computation of the 2023 Global Earthquake Hazard and Risk Maps, which includes an extension of the minimum magnitude of events for crustal distributed seismicity. Differences between the different versions can be consulted in the documentation.
How to cite this work
Poggi, V., Durrheim, R., Mavonga Tuluka, G., Weatherill, G., Gee, R., Pagani, M., Nyblade, A., Delvaux, D., 2017. Assessing Seismic Hazard of the East African Rift: a pilot study from GEM and AfricaArray. Bulletin of Earthquake Engineering. Volume 15, Issue 11, 4499–4529, DOI: https://doi.org/10.1007/s10518-017-0152-4
Available Versions
Two open versions are available for direct download. The original version (v2016.0.0) developed within the USAID-funded project is available under a CC-BY-SA 4.0 license, while the latest open version (v2018.0.0) is available under a CC-BY-NC-SA 4.0 license. Users interested in these versions can click the "2016 Open Download" or the "2018 Open Download" buttons in the right panel respectively to access the information. Other versions can be consulted in the model documentation.
License information
This model is available under multiple Creative Commons licenses (depending on the version), which may require some of the following: *Attribution (you must give appropriate credit, provide a link to the license, and indicate if changes were made) *Non-commercial (you may not use the material for commercial purposes) *ShareAlike (derivatives created must be made available under the same license as the original) Any deviation from these terms incur in license infringement. For commercial use of the dataset, a specific license agreement must be made tailored to your use case, in such instance please click on "License Request".
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