EMS- Managing natural hazards, page no 138
A natural disaster is the very harmful impact on a society or community after a natural hazard event. Some examples of natural hazard events include earthquakes, floods, volcanic eruption and wildfires.
Different natural hazard
Earthquakes: the shaking of the earth's crust. It is caused due to the energy release, which triggers waves that travel in all directions. The emanation of energy occurs along a fault. A fault is a sharp break in the crustal rocks.
Floods: A flood is an overflow of water on land. Sometimes a river might receive extra water, either from heavy rains or other natural disasters. When this happens, the water overflows from its normal path in the river bed and onto the dry land.
volcanic eruption: A volcanic eruption is the expulsion of gases, rock fragments, and/or molten lava from within the Earth through a vent onto the Earth's surface or into the atmosphere.
Wild fires: Wild fires are large, uncontrolled and potentially destructive fires that can affect both rural and urban areas. They can spread quickly, change direction and even 'jump' across large distances when embers and sparks are carried by the wind.
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