The name Askja refers to a complex of nested calderas within the surrounding Dyngjufj�ll mountains, which rise to, " askja " meaning " box " or " caldera " in Icelandic
12.
It is truncated by two nested calderas, with the cone of Nemo Peak itself rising in the southwest end of the youngest caldera and a crescent-shaped crater lake partially filling the northeast part, named Ozero Chernoye.
