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%
3%
96%
31
flagthe United Arab Emirates
0%
3%
0%
96%
28
flagItaly
0%
5%
10%
84%
39
flagthe Netherlands
1%
9%
14%
73%
61
flagGreece
11%
5%
11%
72%
18
flagGermany
6%
8%
19%
65%
172
flagNorway
7%
7%
15%
65%
26
flagRussia
5%
22%
16%
55%
18
flagthe United Kingdom
8%
16%
20%
53%
320
flagRepublic of Ireland
10%
12%
24%
53%
49
flagFrance
6%
21%
18%
53%
32
flagPoland
8%
16%
24%
51%
13266
flagSpain
0%
11%
38%
50%
18
flagDenmark
4%
23%
23%
47%
21
flagIndia
7%
12%
32%
45%
55
flagthe United States
7%
17%
28%
44%
314
flagAustralia
16%
23%
13%
40%
30
flagCzech Republic
6%
26%
26%
40%
15
flagUnknown
10%
28%
30%
30%
659
flagCanada
25%
11%
34%
28%
35

Gender

men48%
women52%
1,5 m
9%
7%
15 m
19%
14%
150 m
23%
25%
1500 m
48%
52%

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What is the maximum depth of permafrost?
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Author: Kasia
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