" our only testimony is that the crustal magma chambers is flooded with molten metal . but we have no idea so soon this process goes on before there either is an eruption or the decrease of molten rock ... and the caldera deflates again , " added smith . eruption activity in yellowstone heats up underground water which create geysers of superheated groundwater , and is responsible for the creating and continuous explosion of old glory .
There is a volcano in Yellowstone.