From: Susceptibility of typical marine geological disasters: an overview
Occurrence and duration time | Hazard factor | Â | Â | Â | Â |
---|---|---|---|---|---|
 | 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 |