What if Yellowstone erupts? What would happen to the US and the world

What if Yellowstone suddenly went from bubbling geysers and spectacular landscapes to the site of one of the largest volcanic eruptions in human history?Yellowstone National Park in the United States of America may be famous for its geysers and wild beauty, but for some scientists and disaster thinkers, it’s also the setting for one of the biggest “what if?” scenarios out there. Imagine if, right now, Yellowstone’s calm was shattered by a massive supervolcano eruption. What would it really do to the park, the US, and the world?