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%
95%
23
flagthe United Arab Emirates
0%
8%
0%
91%
12
flagItaly
0%
3%
10%
86%
30
flagGermany
3%
5%
19%
70%
127
flagNorway
5%
10%
15%
63%
19
flagSpain
0%
9%
27%
63%
11
flagRussia
9%
9%
18%
63%
11
flagFrance
6%
19%
19%
54%
31
flagRepublic of Ireland
12%
9%
22%
54%
31
flagPoland
8%
15%
23%
52%
9062
flagthe Netherlands
3%
17%
27%
51%
29
flagDenmark
5%
25%
20%
50%
20
flagthe Philippines
0%
20%
30%
50%
10
flagthe United Kingdom
10%
18%
21%
49%
214
flagIndia
9%
13%
29%
45%
44
flagthe United States
9%
18%
32%
39%
252
flagAustralia
21%
26%
13%
34%
23
flagUnknown
22%
25%
22%
29%
31
flagCanada
25%
12%
32%
29%
31
flagUkraine
0%
27%
45%
27%
11

Gender

men53%
women51%
1,5 m
9%
7%
15 m
15%
15%
150 m
21%
25%
1500 m
53%
51%

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What is the maximum depth of permafrost?
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Author: Kasia
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