Geographic location
Greenland
16
Arctic
8
Vatnajökull
5
Norway
4
Antarctic
3
Antarctic Peninsula
3
The Antarctic
3
Arctic Ocean
2
Canada
2
Etna
2
Holuhraun
2
Langjökull
2
Norwegian Sea
2
Pacific
2
Aitken
1
Akureyri
1
Askja
1
Bellingshausen Sea
1
Eldgjá
1
Fairbanks
1
Husafell
1
Irminger Sea
1
Jan Mayen
1
Lakagígar
1
Laki
1
Lofoten
1
North Pole
1
Reykjanes
1
Reykjavík
1
Rothera
1
Sullivan
1
Svalbard
1
Svarfaðardalur
1
Weddell
1