http://www.iflscience.com/environment/what-happens-when-ice-meets-lavaThe Darkan volcano right about now should be melting the glacier that surrounds it (Causing a large flood of melt water, ironically heading straight to go and flood Talerium) and forming a new island. Which strikes me as a far funner and more interesting way to liven up Atamara than covering part of the map in a glacier and telling everyone to go and play elsewhere.
Not that glaciers can "conquer" volcanoes as the development team seems to think. For reference:
https://en.wikipedia.org/wiki/Mount_Erebus