Sunday 05 May 2024


Landslide typeLandslide codeDescription
Debris flowDDebris flow



Thresholds sorted by Continent

ContinentNationZoneThreshold typeLandslide codeEquationRangeNotesReferenceImage
AsiaChinan.a.IDDI = 49.11-6.81×D1.001 < D < 5n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaHong Kongn.a.IMAPDDIMAP = 0.02×D-0.681 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaHong Kongn.a.IDDI = 41.83 ×D-0.581 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaIndonesian.a.IDDI = 92.06-10.68×D1.002 < D < 4n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaIndonesian.a.IMAPDDIMAP = 0.07-0.01×D1.002 < D < 24n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaJapann.a.IMAPDDIMAP = 0.03×D-0.631 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaJapann.a.IDDI = 39.71 ×D-0.620.5 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaJapann.a.IEDI = 112.25 - 0.20×E165 < E < 440n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaJapann.a.IMAPEMAPDIMAP = 0.04 - 0.19 × EMAP0 < EMAP < 0.22n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaJapann.a.IEDI = 67.38 × E-0.0023×E50 < E < 400n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaJapann.a.IMAPEMAPDIMAP = 0.04 × e-3.55×EMAP0.03 < EMAP < 0.25n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
AsiaTaiwanCentral TaiwanIDDI = 6.7×D-0.200.7 < D < 40After Chi-Chi earthquakeJan CD, Chen CL (2005) Debris flows caused by Typhoon Herb in Taiwan. In: Debris flow Hazards and Related Phenomena (Jakob M, Hungr O, eds). Springer Berlin Heidelberg, 363-385Graphic
AsiaTaiwanCentral TaiwanIDDI = 13.5×D-0.200.7 < D < 40Before Chi-Chi earthquakeJan CD, Chen CL (2005) Debris flows caused by Typhoon Herb in Taiwan. In: Debris flow Hazards and Related Phenomena (Jakob M, Hungr O, eds). Springer Berlin Heidelberg, 363-385Graphic
EuropeItalyApuane Alps, TuscanyEDDE = 27.50 + 22.50×D1 ≤ D ≤ 3Minimum thresholdAnnunziati A, Focardi A, Focardi P, Martello S, Vannocci P (2000) Analysis of the rainfall thresholds that induced debris flows in the area of Apuan Alps - Tuscany, Italy (19 June 1996 storm). In: Proceeding of the EGS Plinius Conference on Mediterranean Storms. Maratea, Italy, 485-493Graphic
EuropeItalyApuane Alps, TuscanyEDDE = 375.00 + 1.25×D12 < D ≤ 24For catastrophic landslidesAnnunziati A, Focardi A, Focardi P, Martello S, Vannocci P (2000) Analysis of the rainfall thresholds that induced debris flows in the area of Apuan Alps - Tuscany, Italy (19 June 1996 storm). In: Proceeding of the EGS Plinius Conference on Mediterranean Storms. Maratea, Italy, 485-493Graphic
EuropeItalyApuane Alps, TuscanyEDDE = 45.00 + 55.00×D1 ≤ D ≤ 3For catastrophic landslidesAnnunziati A, Focardi A, Focardi P, Martello S, Vannocci P (2000) Analysis of the rainfall thresholds that induced debris flows in the area of Apuan Alps - Tuscany, Italy (19 June 1996 storm). In: Proceeding of the EGS Plinius Conference on Mediterranean Storms. Maratea, Italy, 485-493Graphic
EuropeItalyApuane Alps, TuscanyEDDE = 165.00 + 1.25×D12 < D ≤ 24Minimum thresholdAnnunziati A, Focardi A, Focardi P, Martello S, Vannocci P (2000) Analysis of the rainfall thresholds that induced debris flows in the area of Apuan Alps - Tuscany, Italy (19 June 1996 storm). In: Proceeding of the EGS Plinius Conference on Mediterranean Storms. Maratea, Italy, 485-493Graphic
EuropeItalyApuane Alps, TuscanyEDDE = 66.67 + 9.44×D3 < D ≤ 12Minimum thresholdAnnunziati A, Focardi A, Focardi P, Martello S, Vannocci P (2000) Analysis of the rainfall thresholds that induced debris flows in the area of Apuan Alps - Tuscany, Italy (19 June 1996 storm). In: Proceeding of the EGS Plinius Conference on Mediterranean Storms. Maratea, Italy, 485-493Graphic
EuropeItalyApuane Alps, TuscanyEDDE = 150.00 + 20.00×D3 < D ≤ 12For catastrophic landslidesAnnunziati A, Focardi A, Focardi P, Martello S, Vannocci P (2000) Analysis of the rainfall thresholds that induced debris flows in the area of Apuan Alps - Tuscany, Italy (19 June 1996 storm). In: Proceeding of the EGS Plinius Conference on Mediterranean Storms. Maratea, Italy, 485-493Graphic
EuropeItalyCancia, Dolomites, Belluno, VenetoEMAPIDEMAP = 3.93 - 1.36 × ln II > 2n.a.Bacchini M, Zannoni A (2003) Relations between rainfall and triggering of debris-flow: a case study of Cancia (Dolomites, Northeastern Italy). Natural Hazards and Earth System Sciences 3: 71-79Graphic
EuropeItalyCancia, Dolomites, Friuli Venezia GiuliaIMAPDDIMAP = 0.74×D-0.560.1 < D < 100n.a.Bacchini M, Zannoni A (2003) Relations between rainfall and triggering of debris-flow: a case study of Cancia (Dolomites, Northeastern Italy). Natural Hazards and Earth System Sciences 3: 71-79Graphic
EuropeItalyCentral Alps, LombardyIMAPDDIMAP = 2.0×D-0.551 < D < 100n.a.Ceriani M, Lauzi S, Padovan N (1992) Rainfall and landslides in the Alpine area of Lombardia Region, central Alps, Italy. In: Internationales Symposium. Bern: Interpraevent 2: 9-20Graphic
EuropeItalyChampeyron Basin, PiedmontIDDI = 18.675×D-0.5651 < D < 24A(60d) < 14% of MAPBolley S, Oliaro P (1999) Analisi dei debris flows in alcuni bacini campione dell'Alta Val Susa. Geoingegneria Ambientale e Mineraria, Marzo: 69-74Graphic
EuropeItalyChampeyron Basin, PiedmontIDDI = 12.649×D-0.53241 < D < 24A(60d) > 14% of MAPBolley S, Oliaro P (1999) Analisi dei debris flows in alcuni bacini campione dell'Alta Val Susa. Geoingegneria Ambientale e Mineraria, Marzo: 69-74Graphic
EuropeItalyNorth Eastern AlpsIDDI = 47.742×D-0.5070.1 < D < 24n.a.Paronuzzi P, Coccolo A, Garlatti G (1998) Eventi meteorici critici e debris flows nei bacini montani del Friuli. L'Acqua, Associazione Idrotecnica Italiana, Sezione I/Memorie: 39-50Graphic
EuropeItalyNorth Eastern AlpsIMAPDDIMAP = 0.026×D-0.5070.1 < D < 24n.a.Paronuzzi P, Coccolo A, Garlatti G (1998) Eventi meteorici critici e debris flows nei bacini montani del Friuli. L'Acqua, Associazione Idrotecnica Italiana, Sezione I/Memorie: 39-50Graphic
EuropeItalyPerilleux Basin, PiedmontIDDI = 11.00×D-0.44591 < D < 24A(60d)> 9% of MAPBolley S, Oliaro P (1999) Analisi dei debris flows in alcuni bacini campione dell'Alta Val Susa. Geoingegneria Ambientale e Mineraria, Marzo: 69-74Graphic
EuropeItalyPerilleux Basin, PiedmontIDDI = 10.67×D-0.50431 < D < 24A(60d) < 9% of MAPBolley S, Oliaro P (1999) Analisi dei debris flows in alcuni bacini campione dell'Alta Val Susa. Geoingegneria Ambientale e Mineraria, Marzo: 69-74Graphic
EuropeItalyPeri-Vesuvian area, CampaniaIDDI = 176.40×D-0.900.1 < D < 1000Volcanic soilsGuadagno FM (1991) Debris flows in the Campanian volcaniclastic soil (Southern Italy). In: Proceedings International Conference on slope stability. Isle of Wight: Thomas Telford, 125-130Graphic
EuropeItalyRho Basin, Susa Valley, PiedmontIDDI = 9.521×D-0.49551 < D < 24A(60d) > 14% of MAPBolley S, Oliaro P (1999) Analisi dei debris flows in alcuni bacini campione dell'Alta Val Susa. Geoingegneria Ambientale e Mineraria, Marzo: 69-74Graphic
EuropeItalyRho Basin, Susa Valley, PiedmontIDDI=11.698×D-0.47831 < D < 24A(60d) < 14% of MAPBolley S, Oliaro P (1999) Analisi dei debris flows in alcuni bacini campione dell'Alta Val Susa. Geoingegneria Ambientale e Mineraria, Marzo: 69-74Graphic
EuropeNorwayn.a.CMAPDDCMAP = 1.2×D0.600.1 < E < 180n.a.Sandersen F, Bakkehøi S, Hestnes E, Lied K (1996) The influence of meteorological factors on the initiation of debris flows, rockfalls, rockslides and rockmass stability. In: Landslides (Senneset, ed). Rotterdam: A.A. Balkema, 97–114Graphic
North AmericaPuerto Ricon.a.IMAPDDIMAP = 0.06×D-0.591 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
North AmericaPuerto Ricon.a.IDDI = 66.18×D-0.520.5 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
North AmericaUSABlue RidgeIMAPDDIMAP = 0.09×D-0.632 < D < 16n.a.Wieczorek GF, Morgan BA, Campbell RH (2000) Debris flow hazards in the Blue Ridge of Central Virginia. Environ Eng Geosci 6: 3–23Graphic
North AmericaUSABlue RidgeIDDI = 116.48×D-0.632 < D < 16n.a.Wieczorek GF, Morgan BA, Campbell RH (2000) Debris flow hazards in the Blue Ridge of Central Virginia. Environ Eng Geosci 6: 3–23Graphic
North AmericaUSACentral Santa Cruz MountainsIDDI = 1.7+9×D-1.001 < D < 6.5n.a.Wieczorek GF (1987) Effect of rainfall intensity and duration on debris flows in central Santa Cruz Mountains. In: Debris flow/avalanches: process, recognition, and mitigation (Costa JE, Wieczorek GF, eds). Geological Society of America, Reviews in Engineering Geology, 7: 93–104Graphic
North AmericaUSAChalk Cliffs, ColoradoIDDI = 6.61×D-0.770 < D < 2.6n.a.Coe A, Kinner DA, Godt JW (In Press) Initiation conditions for runoff-generated debris flows at Chalk Cliffs, Central Colorado, USAGraphic
North AmericaUSAKaluanui, HonoluluEDDE = 15.75 + 12.19×D3 < D ≤ 6Safety thresholdWilson RC, Torikai JD, Ellen SD (1992) Development of rainfall thresholds for debris flows in the Honolulu District, Oahu. US Geological Survey Open-File Report 92-521, 45 ppGraphic
North AmericaUSAKaluanui, HonoluluEDDE = 53.34 + 17.78×D3 < D ≤ 6For abundant landslidesWilson RC, Torikai JD, Ellen SD (1992) Development of rainfall thresholds for debris flows in the Honolulu District, Oahu. US Geological Survey Open-File Report 92-521, 45 ppGraphic
North AmericaUSAKaluanui, HonoluluEDDE = 13.84 + 12.83×D1 ≤ D ≤ 3Safety thresholdWilson RC, Torikai JD, Ellen SD (1992) Development of rainfall thresholds for debris flows in the Honolulu District, Oahu. US Geological Survey Open-File Report 92-521, 45 ppGraphic
North AmericaUSAKaluanui, HonoluluEDDE = 8.76 + 32.64×D1 ≤ D ≤ 3For abundant landslidesWilson RC, Torikai JD, Ellen SD (1992) Development of rainfall thresholds for debris flows in the Honolulu District, Oahu. US Geological Survey Open-File Report 92-521, 45 ppGraphic
North AmericaUSAn.a.IMAPDDIMAP = 0.03×D-0.331 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
North AmericaUSAn.a.IDDI = 26.51 ×D-0.190.5 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
North AmericaUSAn.a.IMAPDDIMAP = 0.03×D-0.210.5 < D < 8n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
North AmericaUSAn.a.IEDI = 31.99 - 0.10×E0 < E < 315n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
North AmericaUSAn.a.IDDI = 35.23 ×D-0.543 < D < 12n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
North AmericaUSANuuanu, HonoluluEDDE = 48.26 + 15.24×D3 < D ≤ 6For abundant landslidesWilson RC, Torikai JD, Ellen SD (1992) Development of rainfall thresholds for debris flows in the Honolulu District, Oahu. US Geological Survey Open-File Report 92-521, 45 ppGraphic
North AmericaUSANuuanu, HonoluluEDDE = 13.08 + 2.16×D1 ≤ D ≤ 3Safety thresholdWilson RC, Torikai JD, Ellen SD (1992) Development of rainfall thresholds for debris flows in the Honolulu District, Oahu. US Geological Survey Open-File Report 92-521, 45 ppGraphic
North AmericaUSANuuanu, HonoluluEDDE = 9.91 + 3.22×D3 < D ≤ 6Safety thresholdWilson RC, Torikai JD, Ellen SD (1992) Development of rainfall thresholds for debris flows in the Honolulu District, Oahu. US Geological Survey Open-File Report 92-521, 45 ppGraphic
North AmericaUSANuuanu, HonoluluEDDE = 12.45 + 27.18×D1 ≤ D ≤ 3For abundant landslidesWilson RC, Torikai JD, Ellen SD (1992) Development of rainfall thresholds for debris flows in the Honolulu District, Oahu. US Geological Survey Open-File Report 92-521, 45 ppGraphic
North AmericaUSASan Francisco Bay AreaIMAPDDD = 46.1-3.6·103×IMAP + 7.4·104×IMAP21 < D < 24n.a.Cannon SH (1988) Regional rainfall-threshold conditions for abundant debris-flow activity. In: Landslides, Floods, and Marine Effects of the Etorm of January 3-5, 1982, in the San Francisco Bay Region, California (Ellen SD, Wieczorek GF, eds). US Geological Survey Professional Paper 1434, 35-42Graphic
North AmericaUSASan Francisco Bay AreaIDDI = 6.9+38×D-1.002 < D < 24High MAPCannon SH, Ellen SD (1985) Rainfall conditions for abundant debris avalanches, San Francisco Bay region, California. Calif Geol 38: 267–272Graphic
North AmericaUSASan Francisco Bay AreaIDDI = 2.5+300×D-2.005.5 < D < 24Low MAPCannon SH, Ellen SD (1985) Rainfall conditions for abundant debris avalanches, San Francisco Bay region, California. Calif Geol 38: 267–272Graphic
South AmericaBraziln.a.IMAPEMAPDIMAP = 0.004 × EMAP-0.920.04 < EMAP < 0.4n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
South AmericaBraziln.a.IDDI = 63.38-22.19×D1.000.5 < D < 2n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
South AmericaBraziln.a.IMAPDDIMAP = 0.06-0.02×D1.000.5 < D < 2n.a.Jibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
South AmericaBraziln.a.EDDE = 22.4×D0.411 < D < 10,000n.a.Kanji MA, Massad F, Cruz PT (2003) Debris flows in areas of residual soils: occurrence and characteristics. International Workshop on Occurrence and Mechanisms of Flows in Natural Slopes and Earthfills. Iw-Flows2003, Sorrento, May, 14-16, 2003Graphic
Worldwiden.a.n.a.IDDI = 30.53 ×D-0.570.5 < D < 12Lower envelopeJibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
Worldwiden.a.n.a.EDDE = 4.93 × D0.5040.1 < D < 100n.a.Innes JL (1983) Debris flows. Progress in Physical Geography 7: 469-501Graphic
Worldwiden.a.n.a.IDDI = 7.00×D-0.600.1 < D < 3For burnt areasCannon SH, Gartner JE (2005) Wildfire-related debris flow from a hazards perspective. In: Debris flow Hazards and Related Phenomena (Jakob M, Hungr O, eds). Springer Berlin Heidelberg, 363-385Graphic
Worldwiden.a.n.a.IMAPDDIMAP = 0.02×D-0.650.5 < D < 12Lower envelopeJibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic
Worldwiden.a.n.a.IMAPEMAPDIMAP = 0.003 × EMAP-0.740.03 < EMAP < 0.4Lower envelopeJibson RW (1989) Debris flow in southern Porto Rico. Geological Society of America, Special Paper 236, 29–55Graphic




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