Fourth Third First Second
Denmark Norway Great Britain France Finland Sweden USSR Sweden
Hekla Eldfell Surtsey Eldgja
Alafoss Gooafoss Detifoss Glymur
Oil Hydrothermal/Geothermal Energy Gas Solar
310 000 31 million 3.1 million 31 000
Faroe Islands Greenland Scotland Norway
Keflavik Hofu Reykjavik Akuyeri
Snaefellsjokull Pingvellir Jokulsargljufur Skaftafell