Spread the love According to the United States Geological Survey (USGS), a supervolcano is any volcanic center that has explosively erupted at least 1,000 cubic kilometers (240 cubic miles) of fresh volcanic material in a sudden, violent manner. Yellowstone is a supervolcano, one of the largest and most active volcanic systems in the world. It … Continue reading Are Volcanoes Erupting to Prove Climate Change is BS & Nature is in Charge?