volcanoes of iceland that erupted since human settlement, political map

arctic askja atlas bardarbunga belt capital cartography country crack drift earthquake eldfell erupted europe eyjafjallajokull fagradalsfjall fissure geography geology glacier gray grimsvotn hekla hengill iceland illustration island katla krafla laki map nordic plate political region reykjanes reykjavik ridge rift seismic snafellsjokull split surtsey theistareykjarbunga vector volcanic volcanism volcano volcanoes zone