0
50
0
J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D
J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D
J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D
2010–39(a)
0
10
0
20
0
30
0
40
0
50
0
2040–69(b)
Lake Pielinen
0
10
0
20
0
30
0
40
0
50
0
2070–99(c)
0
1
0
3
0
5
0
7
0
2010–39(d)
0
1
0
3
0
5
0
7
0
2040–69(e)
Lake Syväri
0
1
0
/media/ces/Water_resources_man_Veijalainen_etal.pdf
........................................................................ 17
2.4 Tephra deposits from previous eruptions ................................................................. 19
2.5 Current level of activity ........................................................................................... 19
3 HAZARDS, UNDERLYING METHODS AND DEFINED ERUPTION SCENARIOS 20
3.1 Event tree
/media/vedurstofan-utgafa-2020/VI_2020_011_en.pdf