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Disasters are the undesirable occurrence that results from the forces that are beyond human control. Disasters strike quickly with little or no warning.
Natural Disasters cause harm to people or property or both.

Natural Disasters are classified as Terrestrial, Aquatic, Atmospheric, Biological.
Terrestrial Natural Disaster include- Landslides, Earthquakes, Volcanic Eruptions, Avalanches, etc. and Aquatic Natural Disaster include- Ocean Currents, Tsunami, Tidal Waves, Floods, etc.

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