Definition
Natural disaster is a natural event that causes misery, damage, loss, and suffering of the population. Excluding catastrophe caused by plant pests or outbreaks. Other disasters such as hurricanes, volcanoes and so on. Recorded natural disasters are disasters that occurred in the last 3 years. In the event of natural disasters could lead to some natural events.
Example: a volcano during the last 2 months is always erupt and cause earthquakes and landslides. For the case of a natural disaster is a volcanic eruption, earthquakes and landslides.
Floods are the result of a flood of high rainfall, accompanied by swift currents that carry mud, rocks, wood etc. and usually occurs in mountainous areas. Is the fuel that fires the event there is no element of intent and causing loss of property, such as houses, fields, gardens and so on. Arson is the act of intentionally burning with intent to agricultural land clearing, or other purposes whether by residents or companies. Eg burning of forests, fields, and other fields.