Horn of Africa: earthquake hazard map

This map illustrates where there is a 20% chance that the Peak Ground Acceleration assigned value for every cell will be exceeded in the next 50 years.

The Horn of Africa has significant seismic hazard associated with the East African rift system. A number of destructive earthquakes, some deadly, have been reported this century.

Notable events include the 1921 earthquake that destroyed the port city of Massawa in Eritrea. In Ethiopia, the 1961 M=6.1 Kara Kore earthquake destroyed the town of Majete, the 1969 M=6.3 Serdo event resulted in four deaths, and the 1989 M=6.5 Dobi graben earthquake destroyed several bridges between Assab and Addis Ababa.