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
2%
2%
0%
94%
34
flagItaly
0%
4%
11%
83%
43
flagthe Netherlands
1%
8%
11%
79%
81
flagGreece
10%
5%
10%
73%
19
flagSwitzerland
0%
0%
28%
72%
25
flagNorway
6%
6%
13%
70%
30
flagGermany
6%
7%
17%
67%
203
flagSweden
4%
21%
13%
60%
23
flagRussia
5%
21%
15%
57%
19
flagthe United Kingdom
9%
16%
19%
53%
347
flagFrance
6%
21%
18%
53%
32
flagPoland
7%
15%
23%
51%
14648
flagRepublic of Ireland
12%
12%
23%
51%
56
flagIndia
11%
11%
30%
45%
71
flagDenmark
4%
25%
25%
45%
24
flagthe United States
8%
17%
29%
43%
330
flagAustralia
14%
23%
11%
38%
34
flagUnknown
10%
28%
29%
30%
721
flagCanada
26%
15%
31%
26%
38

Gender

men48%
women53%
1,5 m
9%
6%
15 m
19%
14%
150 m
23%
24%
1500 m
48%
53%

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What is the maximum depth of permafrost?
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Author: Kasia
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