 Complete the following phrase:  Some eruptions cooled the global climateinducing a volcanic winterdepending on the amount of sulfur dioxide emitted and the magnitude of the eruption. Before the present Holocene epoch, the criteria are less strict because of scarce data availability, partly since later eruptions have destroyed the evidence. Only some eruptions before the Neogene period from 23 Mya to 2.58 Mya are listed. Known large eruptions after the Paleogene period from 66 Mya to 23 Mya are listed, especially those relating to the Yellowstone hotspot, the 