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Oct 30, 2020 at 14:29 comment added Madlozoz The biggest caldera (Toba) on Earth is about 100x30 km. But it certainly doesn't proove it can't be bigger. It's not as if there were many other that were 99km big
Oct 29, 2020 at 9:06 answer added L.Dutch timeline score: 1
Oct 29, 2020 at 8:43 history asked Berkosaurus CC BY-SA 4.0