A landslide is also known as landslip, is the downward movement of soil, rock, debris or vegetation due to gravitational force.
The landslide cause huge loss of life and human properties.
Avalanche is a type of natural disaster that occurs in mountains region. It is the downward flow of mass of snow, ice and rocks from the mountain slope.
Snowstorms and wind direction are also one the major causes of avalanche.
A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds .
Glacier lakes should be regular monitoring and survey.