General Classification
| Disaster Group |
Disaster Subgroup |
Definition |
Disaster Main Type |
| Natural |
Geophysical |
A hazard originating from solid earth. This term is used interchangeably with the term geological hazard. |
Earthquake |
| Mass Movement (dry) |
| Volcanic activity |
| Meteorological |
A hazard caused by short-lived, micro- to meso-scale extreme weather and atmospheric conditions that last from minutes to days. |
Extreme Temperature |
| Fog |
| Storm |
| Hydrological |
A hazard caused by the occurrence, movement, and distribution of surface and subsurface freshwater and saltwater. |
Flood |
| Landslide |
| Wave action |
| Climatological |
A hazard caused by long-lived, meso- to macro-scale atmospheric processes ranging from
intra-seasonal to multi-decadal climate variability. |
Drought |
| Glacial Lake Outburst |
| Wildfire |
| Biological |
A hazard caused by the exposure to living organisms and their toxic substances (e.g. venom, mold) or vector-borne diseases that they may carry. Examples are venomous wildlife and insects, poisonous plants, and mosquitoes carrying disease-causing agents such as parasites, bacteria, or viruses (e.g. malaria). |
Epidemic |
| Insect infestation |
| Animal Accident |
| Extraterrestrial |
A hazard caused by asteroids, meteoroids, and comets as they pass near-earth, enter the Earth’s atmosphere, and/or strike the Earth, and by changes in interplanetary conditions that effect the Earth’s magnetosphere, ionosphere, and thermosphere. |
Impact |
| Space weather |
| Technological |
Industrial accident |
|
Chemical spill |
| Collapse |
| Explosion |
| Fire |
| Gas leak |
| Poisoning |
| Radiation |
| Oil spill |
| Other |
| Transport accident |
|
Air |
| Road |
| Rail |
| Water |
| Miscelleanous accident |
|
Collapse |
| Explosion |
| Fire |
| Other |
Geophysical
| Disaster Group |
Disaster Subgroup |
Disaster Main Type |
Disaster Sub-Type |
Disaster Sub-Sub-Type |
| Natural Disaster |
Geophysical |
Earthquake |
Ground movement |
|
| Tsunami |
| Mass Movement (dry) |
Rock fall |
| Landslide |
| Volcanic activity |
Ash fall |
| Lahar |
| Pyroclastic flow |
| Lava flow |
Meteorological
| Disaster Group |
Disaster Subgroup |
Disaster Main Type |
Disaster Sub-Type |
Disaster Sub-Sub-Type |
| Natural Disaster |
Meteorological |
Storm |
Extra-tropical storm |
|
| Tropical storm |
| Convective Storm |
Derecho |
| Hail |
| Lightning/thunderstorm |
| Rain |
| Tornado |
| Sand/dust storm |
| Winter storm/blizzard |
| Storm/surge |
| Wind |
| Severe storm |
| Extreme temperature |
Cold wave |
|
| Heat wave |
|
| Severe winter conditions |
Snow/ice |
| Frost/freeze |
| Fog |
|
|
Hydrological
| Disaster Group |
Disaster Subgroup |
Disaster Main Type |
Disaster Sub-Type |
Disaster Sub-Sub-Type |
| Natural Disaster |
Hydrological |
Flood |
Coastal flood |
|
| Riverine flood |
| Flash flood |
| Ice jam flood |
| Landslide |
Avalanche (snow, debris, mudflow, rockfall) |
| Wave action |
Rogue wave |
| Seiche |
Climatological
| Disaster Group |
Disaster Sub-Group |
Disaster Main Type |
Disaster Sub-Type |
Disaster Sub-Sub-Type |
| Natural Disaster |
Climatological |
Drought |
|
|
| Glacial Lake Outburst |
|
| Wildfire |
Forest Fire |
Land fire: Brush, bush,
Pasture |
Biological
| Disaster Group |
Disaster Sub-Group |
Disaster Main Type |
Disaster Sub-Type |
Disaster Sub-Sub-Type |
| Natural Disaster |
Biological |
Epidemic |
Viral Disease |
|
| Bacterial Disease |
| Parasitic Disease |
| Fungal Disease |
| Prion Disease |
Insect
infestation |
Grasshopper |
| Locust |
| Animal Accident |
|
Extraterrestrial
| Disaster Group |
Disaster Sub-Group |
Disaster Main Type |
Disaster Sub-Type |
Disaster Sub-Sub-Type |
| Natural Disaster |
Extraterrestrial |
Impact |
Airburst |
|
| Space weather |
Energetic particles |
| Geomagnetic storm |
| Shockwave |
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