Question

Explain the Hazards based on their origin.

Answer 1

Hazards can be grouped into eight categories

1. Atmospheric hazard:
   Tropical storms, Thunderstorms, Lightning, Tornadoes, Avalanches, Heatwaves, Fog, and Forest fire.
2. Geologic/Seismic hazard:
   Earthquakes, Tsunami, Landslide and Land subsidence.
3. Hydrologic hazard:
   Floods, Droughts, Coastal erosion and Storm surges.
4. Volcanic hazard:
   Eruptions and lava flow.
5. Environmental hazard:
   Pollution of soil/ air/water, Desertification, Global warming, and Deforestation.
6. Biological hazard:
   Chickenpox, Smallpox, AIDS [HIV] and Killer bees.
7. Technological hazard:
   Hazardous material incidents, Fires, Infrastructure failures [Bridges, Tunnels, Dams, Nuclear and Radiological accidents].
8. Human-induced hazard:
   Terrorism, Bomb blast, War, Transportation accidents, and Civil disorder.