Question: Which of these U.S. national parks is home to a “supervolcano”?
Hawai’i Volcanoes National Park
Olympic National Park
Yellowstone National Park
Death Valley National Park
The term “supervolcano” is reserved for large volcanoes that have earned the highest possible measurement on the Volcanic Explosivity Index (VEI). The Yellowstone Supervolcano is one of them — in fact, it’s so large that much of the national park sits on top of it. The volcano has erupted three times, most recently 640,000 years ago.
The Answer: The correct answer is Yellowstone National Park.