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Table 1 The causes of marine geological disasters (modified from Camargo et al. 2019; Ye et al. 2017b; Cuomo 2020)

From: Susceptibility of typical marine geological disasters: an overview

Occurrence and duration time

Hazard factor

    
 

Natural genesis

   

Human genesis

 

Tectonic activities

Gravity (slope) effect

Coastal dynamic effect

Erosion accumulation effect

 

Burst type

Earthquakes, Tsunami, Landslides and liquefaction, Fault activities, Ground fissure, and Volcanic activities

Collapse, Landslide, Debris flow, Submarine turbidity current, and Land collapse

Tsunami, storm surge

Sudden estuary and harbor siltation

Harbor and waterway sudden siltation, Rock burst, Water inrush, and artificially induced earthquake

Gradually varied type

Ground deformation, Block displacement, and Crustal movement

Ground deformation

Coastal erosion, Seawater intrusion, and Sea level rise

Coastal erosion, Estuary and harbor siltation, Sluice siltation, and Tidal sand ridge

Seawater intrusion, Land subsidence, Coastal erosion, and Harbor and waterway siltation