<human>:  Where is the Yellowstone supervolcano located?
<bot>: The Yellowstone supervolcano is located in the Yellowstone National Park in the United States. The supervolcano is the largest and most dangerous volcano in the world. The last eruption occurred 640,000 years ago, and it is believed to have caused the extinction of the dinosaurs. The Yellowstone supervolcano is the most dangerous volcano in the world, because it is so close to the city of Yellowstone National Park. The supervolcano is located in the northern part of the park, and it is currently dormant.