This is a more difficult query to reply than such a lot men and women notice. It is right, as a volcano that's measurable is going, Mauna Loa is the largest. However, there are bigger volcanos which are unmeasurable given that they're frequently blanketed and mixture very good into their atmosphere. With those, once we recognize in which they're, can most effective be measured by way of the scale in their calderas--which now not too distinct given that volcanoes don't seem to be stylish on their caldera measurement. By caldera measurement it could be the Toba caldera in Indonesia. It is 3000 squarekm! It is a supervolcano that erupted. Of direction, there are plenty of resources in the market that record one-of-a-kind craters of more than a few volcanos being the most important. So, I would be mistaken. It additionally deliver you an notion of ways tough it's to mention what's better. Tweed Caldera may be the sort of applicants, however it's extinct. You query probably extra for lively strategies. Yellowstone is beautiful significant. The crater is presently approximately 2400 squarekm (and it's spreading very slowly..centimeters in step with yr). It used to be bigger one million.three million years in the past. So, who is aware of how significant it's going to be while it truthfully will get competent to blow. It could forma a bigger crater. Toba used to be the most important Super Volcanic eruption that they are able to degree, however they're nonetheless discovering terrific volcanoes all over the world that they did not recognize existed earlier than. Lake Taupo in New Zealand is not as significant as Toba, but it surely will have to be regarded as good.