" our best hope is that the sedimentary volcanic chamber is filling with hot material . but we have no idea how far this mechanism lasts on before there either is an eruption or the inflow of molten rock stops and the caldera deflates again , " answered smith . volcanic activity in wyoming heats up underground water or create vents of corrosive water , and is credited for the generated and sustained collapse of east dear .
There is a volcano in Yellowstone.