GENERAL KNOWLEDGE

Detailed explanation-1: -A physical event, such as a volcanic eruption, that does not affect human beings is a natural phenomenon but not a natural hazard.

Detailed explanation-2: -The different types of natural hazards include: Geophysical hazards (e.g., earthquakes, volcanic eruptions, and tsunamis). Hydrological hazards (e.g., floods). Meteorological hazards (e.g., cyclones and storms).

Detailed explanation-3: -For example, a flood resulting from changes in river flows is a natural hazard, whereas flooding due to a dam failure is considered a manmade hazard, and therefore excluded from the National Risk Index.

Detailed explanation-4: -Natural hazards are extreme natural events that can cause loss of life, extreme damage to property and disrupt human activities. Some natural hazards, such as flooding, can happen anywhere in the world. Other natural hazards, such as tornadoes, can only happen in specific areas.