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
3%
3%
0%
93%
31
flagItaly
0%
4%
9%
85%
42
flagthe Netherlands
1%
8%
12%
78%
75
flagGreece
11%
5%
11%
72%
18
flagGermany
7%
7%
17%
67%
196
flagNorway
7%
7%
15%
65%
26
flagRussia
5%
21%
15%
57%
19
flagRepublic of Ireland
10%
12%
24%
54%
50
flagthe United Kingdom
8%
17%
19%
53%
334
flagFrance
6%
21%
18%
53%
32
flagSweden
5%
26%
15%
52%
19
flagPoland
7%
16%
24%
51%
13877
flagSpain
0%
11%
38%
50%
18
flagIndia
8%
11%
33%
45%
60
flagDenmark
4%
22%
27%
45%
22
flagthe United States
8%
16%
28%
44%
321
flagAustralia
16%
23%
13%
40%
30
flagUnknown
10%
29%
29%
30%
695
flagCanada
27%
11%
33%
27%
36

Gender

men48%
women53%
1,5 m
9%
6%
15 m
19%
14%
150 m
23%
25%
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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