Volcanic eruptions are one of the most powerful natural events, capable of reshaping landscapes. Yellowstone, a famous national park, sits on top of a massive supervolcano that has erupted in the past, with the last major eruption happening 640,000 years ago. While scientists constantly monitor the area for activity, experts agree that another super-eruption is highly unlikely anytime soon. Science Kids: Biggest and Loudest Volcanic Eruptions part 1