What is the maximum depth of permafrost?

1,5 m
15 m
150 m
1500 m
In areas of harsh winters the depth of the per­mafrost can be as much as 1,493 m (4,898 ft) in the northern Lena and Yana River basins. The over­ly­ing active layer that sea­son­al­ly thaws is just 0.6–4 m (2.0–13 ft) thick.

Answers distribution

1,5 m
15 m
150 m
1500 m
answers
flagFinland
0%
0%
4%
96%
25
flagthe United Arab Emirates
0%
5%
0%
94%
17
flagVietnam
0%
0%
6%
93%
15
flagItaly
0%
2%
8%
88%
34
flagGermany
4%
6%
18%
71%
138
flagNorway
4%
8%
16%
66%
24
flagthe Netherlands
2%
13%
18%
65%
43
flagRussia
7%
15%
15%
61%
13
flagRepublic of Ireland
10%
10%
20%
58%
39
flagFrance
6%
19%
19%
54%
31
flagPoland
7%
15%
23%
53%
9996
flagthe United Kingdom
10%
17%
19%
51%
252
flagDenmark
5%
25%
20%
50%
20
flagIndia
8%
12%
30%
48%
50
flagthe United States
7%
17%
30%
43%
290
flagthe Philippines
0%
16%
41%
41%
12
flagCzech Republic
6%
26%
26%
40%
15
flagAustralia
20%
25%
12%
37%
24
flagUnknown
18%
24%
26%
30%
53
flagCanada
27%
12%
33%
27%
33

Gender

men55%
women52%
1,5 m
8%
7%
15 m
15%
14%
150 m
20%
25%
1500 m
55%
52%

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What is the maximum depth of permafrost?
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Author: Kasia
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