There is no “beneath antartica”. Antarctica is a continent. That would be like “beneath north america”. The best you can do is under one of the ice sheets.
No. A volcano is a vent or fissure in a planetary crust. The volcano itself is a geologigal structure and integral part of the north american plate.
A hotspot is what lies under that volcano and thereby under the north american plate.
However, those areas are not reachable by submarine (or any human vehicle at this point in time or the past). And that was the original commenter’s point. There is no “under a continent” for a submarine.
There is no “beneath antartica”. Antarctica is a continent. That would be like “beneath north america”. The best you can do is under one of the ice sheets.
Apparently Antarctica isn’t even contiguous. But most of the time, that means beneath the ice on the border of Antarctica.
Well… beneath North America is a massive super volcano, so…
No. A volcano is a vent or fissure in a planetary crust. The volcano itself is a geologigal structure and integral part of the north american plate.
A hotspot is what lies under that volcano and thereby under the north american plate.
However, those areas are not reachable by submarine (or any human vehicle at this point in time or the past). And that was the original commenter’s point. There is no “under a continent” for a submarine.