Yellowstone Volcano Recharging Faster Than Ever Expected, What to Expect When It Erupts October 14, 2017 By Sheep Media The biggest concern with an eruption the size of Yellowstone is ASHFALL. The force would shoot ash into the atmosphere up to 30 kilometers high where the easterly Jetstream would carry it as far away as Europe within three days. This is a VERY comprehensive video via Mary Greeley. PLEASE WATCH AND SHARE! THANK YOU!!!