GEOLOGY

Detailed explanation-1: -Floods are the most frequent type of natural disaster and occur when an overflow of water submerges land that is usually dry. Floods are often caused by heavy rainfall, rapid snowmelt or a storm surge from a tropical cyclone or tsunami in coastal areas.

Detailed explanation-2: -A flood happens when water overflows or soaks land that is normally dry.

Detailed explanation-3: -Flooding is an overflowing of water onto land that is normally dry. Floods can happen during heavy rains, when ocean waves come on shore, when snow melts quickly, or when dams or levees break.

Detailed explanation-4: -There are three types of floods-flash floods, river floods, and coastal floods. When a flood occurs within six hours of heavy rainfall, it is called a flash flood. When the melting of snow or precipitation over a large catchment causes rivers to overflow, it is called a river flood.

Detailed explanation-5: -Flood is an overflow of a large amount of water beyond its normal limits.