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in Natural Disasters and Management, Earthquakes and Landslides by (51.6k points)
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Classify natural disasters on the basis of their origin.

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Natural disasters are different on the basis of their origin. How? Explain it.

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On the basis of origin, natural disasters have been classified into three parts: 

1. Seasonal disasters. 

2. Topographic disasters. 

3. Biogenic disasters.

1. Seasonal disasters: The disasters which evolve due to change in seasons are known as seasonal disasters. Cyclones, excess rainfall, flood, drought, snowfall are included in seasonal disasters. 

2. Topographic disasters: These are disasters that occur due to a sudden change in the form of earth’s surface. Landslides, snow slides, earthquakes and volcanoes are included in topographic disasters. 

3. Biogenic disasters: In this category, those disasters are included that occur due to living beings. Epidemics, loctust attack, plague, malaria, etc. are the examples of biogenic disasters.

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