[Robert DeLong]

That has to be one of the most perfectly formed volcano cones ever seen. Too perfect in fact.

[Red Badger]

It’s 3200 feet tall and 1200 feet under the surface................

[Jewbacca]

It’s protected from currents, weather, plants and animals, formed under pressure, and has a much more uniform material (instead of layers of strata, mud, etc).

So it’s much more likely to form (and stay) in a uniform manner.