Take the following as truth: A powerful illustration of the magnitude of the eruption is found at Haragosha Shrine, where you can just see the top crosebar of the shrine's arch, the rest submerged by hardened lava.
Then the following statement: "Much of the Shrine is submerged under lava from an eruption many years ago. " is true, false, or inconclusive?
Answer: Inconclusive