I mean an external explosion which triggers the burst of the magma bubble. For example L. Ron Hubbard speaks about it where Xenu does this. “Hydrogen bombs were

I mean an external explosion which triggers the burst of the magma bubble. For example L. Ron Hubbard speaks about it where Xenu does this. “Hydrogen bombs were then lowered into the volcanoes and detonated simultaneously, killing all but a few…”[1]. 1. https://en.m.wikipedia.org/wiki/Xenu https://en.m.wikipedia.org/wiki/Xenu