What is the name of the avalanche
Huascarán avalanche , yungay, Peru
When did it happen
May 31st 1970
How many people died because of the avalanche
22,000
What is said to be the cause of the avalanche
The north peak of the mountain which had been unstable since 1962
What was in the debris’s of the avalanche
Rock,ice, snow and soil
How fast did the avalanche travel
280 and 335 km/hr
How many countries helped when the president asked for international assistance
Over 60 countries