What would happen if the Yosemite volcano erupted?

If the supervolcano underneath Yellowstone National Park ever had another massive eruption, it could spew ash for thousands of miles across the United States, damaging buildings, smothering crops, and shutting down power plants. In fact, it’s even possible that Yellowstone might never have an eruption that large again.Click to see full answer. Hereof, what would happen if Yosemite blew?Yellowstone isn’t just an American treasure; it’s the world’s oldest national park. If the Yellowstone supervolcano were to erupt, it would happen like this: Heat rising from deep within the planet’s core would begin to melt the molten rock just below the ground’s surface.Similarly, how many people would die if Yellowstone erupted? Yellowstone volcano ERUPTION will kill 5 BILLION people, warns geologist | Science | News | Express.co.uk. Considering this, what are the consequences of a supervolcano eruption? Global supervolcano eruption effects During a supervolcano eruption, there would be a great deal of ash falling in the surrounding region and the formation of a giant caldera depression as the ground collapses following a the eruption due to the withdrawal of magma from within the volcano.What states would be affected by Yellowstone volcano?Those parts of the surrounding states of Montana, Idaho, and Wyoming that are closest to Yellowstone would be affected by pyroclastic flows, while other places in the United States would be impacted by falling ash (the amount of ash would decrease with distance from the eruption site).