Sunday, 7 April 2013

Physical Causes

        The next causes that can effect landslide is physical causes. Normally physical causes cannot be avoided because its related with nature. There are various of physical causes happened in this world such as 

•  Intense rainfall Heavy rainfall is one of the most frequent and widespread severe weather hazards. Heavy rainfall can lead to numerous hazards, for example: flooding. 
                            
Rapid snow melt - When melting snow is a major source of the water involved in a flood, it is considered a snow melt flood .Unlike rainfall, which reaches the soil almost immediately, snow stores the water for some time until it melts

Prolonged precipitation - This can make the soil in the ground become more soft due to long duration in flooding.

Earthquake - An Earthquake is a sudden, rapid  shaking of the earth caused by the breaking and shifting of rocks beneath the earth surface.

Volcanic eruption - A volcano can be simply defined as a rupture or an opening on the crust of a planet like earth. This opening allows hot ash, molten rock and gases to blow off from the underground spaces. 

       All this physical factors usually happened for a long period until the ground can't stand anymore but we can prevent all physical causes from happen by stop all the human factors occur. 







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