Though Sudan is characterized by low seismic activity, several large earthquakes resulting in loss of life and damage to property have been recorded. The largest of these events, on 20 May 1990 (Ms = 7.1–7.4) (Giardini and Beranzoli 1992) near Juba in the southern part of Sudan was probably the largest earthquake in Africa in the 20th century. Other earthquakes that caused major damage and even deaths include the Suakin graben earthquakes (Ms = 5.8) of 12 May 1938, which were located in the western margin of the Red Sea; the Jebel Dumpier event...

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