Antarctic Volcanism

There are currently 25 active volcanoes (denoted by red triangles ),on the Antarctic plate, Mount Erebus has been continuously active since 1972 (The sun, acting on the resultant aerosol gases, causing depletion of the ozone layer, in winter it recovers ).

Antarctic Volcanism

Click on Erebus in this list –
2013 Satellite views of Erebus

Geothermal heating under Marie Byrd Land, plus the Larson B & Ross Ice Shelves has caused some limited melting – & &

Map of the West Antarctic Rift System
Rift basins exist in Ellsworth Land, linking GVIS and the Byrd Subglacial Basin, where elevated heat flow is likely to have influenced ice sheet development and stability.

All the sea ice graphs & links in one handy place for easy reference.