Q:
How long do avalanches last?
A:
Quick Answer
An avalanche can last from a few seconds to several minutes. Usually it lasts for under a minute. The entire event takes place very quickly once the snow begins to role downhill. It can reach speeds in excess of 100 kilometer per hour
Continue Reading
Credit:
pfly
CC-BY-2.0
Full Answer
Sometimes several avalanches take place in quick succession making it look like one big avalanche.
An avalanche is triggered when several layers of snow pile up with a weak supporting layer beneath it. The snow may be fresh and powdery. The steep slopes of a mountainside and a lack of vegetation are factors that allow the snow to hurtle downwards. Being buried under an avalanche is a mountaineer’s worst nightmare, and he not many survive.
Learn more about Earth ScienceRelated Questions
-
Q:
How many minutes of daylight do we gain each day?
A: In the month of January, between 1.5 to 2 minutes of daylight are gained each day. In February, about 2 1/2 minutes of daylight are gained each day. Full Answer >Filed Under: -
Q:
How do avalanches occur?
A: Avalanches occur when masses of snow, often with ice and debris, slide down mountain sides. They are triggered by overloading, snow pack conditions, slope ... Full Answer >Filed Under: -
Q:
How do avalanches happen?
A: Avalanches occur when snow builds up to unstable levels on a steep surface, causing it to slide and fall. This can be due to a lack of vegetation supportin... Full Answer >Filed Under: -
Q:
Where is Sarasota County in Florida?
A: Sarasota County in Florida is located at the latitude of 27 degrees 10 minutes 1 second north and longitude of 82 degrees 19 minutes 59 seconds west. Saras... Full Answer >Filed Under:
