Sunday 05 May 2024




Rainfall thresholds in South Africa, sorted by Zone

NationZoneThreshold typeLandslide codeEquationRangeNotesReferenceImage
South AfricaNatal Group, Durban Area, KwaZulu-NatalA(d)AA(15d) > 450 mmn.a.n.a.Bell FG, Maud RR (2000) Landslides associated with the colluvial soils overlying the Natal Group in the greater Durban region of Natal, South Africa. Environ Geol 39(9): 1029–1038Graphic
South AfricaNatal Group, Durban Area, KwaZulu-NatalEAE(2h) > 100-150 mmn.a.n.a.Bell FG, Maud RR (2000) Landslides associated with the colluvial soils overlying the Natal Group in the greater Durban region of Natal, South Africa. Environ Geol 39(9): 1029–1038Graphic
South AfricaNatal Group, Durban Area, KwaZulu-NatalEMAPAEMAP < 0.12n.a.Landslides do not occurBell FG, Maud RR (2000) Landslides associated with the colluvial soils overlying the Natal Group in the greater Durban region of Natal, South Africa. Environ Geol 39(9): 1029–1038Graphic
South AfricaNatal Group, Durban Area, KwaZulu-NatalEMAPA0.12 < EMAP < 0.16n.a.Minor events (1 or 2 landslides)Bell FG, Maud RR (2000) Landslides associated with the colluvial soils overlying the Natal Group in the greater Durban region of Natal, South Africa. Environ Geol 39(9): 1029–1038Graphic
South AfricaNatal Group, Durban Area, KwaZulu-NatalEMAPA0.16 < EMAP < 0.20n.a.Moderate events (3 to 6 landslides)Bell FG, Maud RR (2000) Landslides associated with the colluvial soils overlying the Natal Group in the greater Durban region of Natal, South Africa. Environ Geol 39(9): 1029–1038Graphic
South AfricaNatal Group, Durban Area, KwaZulu-NatalEMAPAEMAP > 0.20n.a.Severe events (> 10 landslides)Bell FG, Maud RR (2000) Landslides associated with the colluvial soils overlying the Natal Group in the greater Durban region of Natal, South Africa. Environ Geol 39(9): 1029–1038Graphic




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