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 Long Does It Take for Mars to Rotate on Its Axis?
A: It takes Mars 24 hours, 37 minutes, 23 seconds to rotate on its axis. This is almost identical to the amount of time that it takes the Earth to rotate once... Full Answer >Filed Under: -
Q:
What Happens During a Human Birth?
A: During labor, a woman's cervix slowly widens, known as dilation, and contractions occur every five to 20 minutes, lasting about 60 seconds, the March of Di... Full Answer >Filed Under: -
Q:
How Do You Reset a Timex 1440 Sports Watch?
A: In order to reset a Timex 1440 Sports Watch, press the "Mode" button until it displays "Time," then hold the "Lap/Reset" button until the seconds button bl... Full Answer >Filed Under:
