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Is Yellowstone bigger than any states?

Yellowstone is bigger than two U.S. states. At 3,472 square miles—over 2.2 million acres—Yellowstone is larger than the states of Rhode Island and Delaware combined. The vast majority of its territory is situated in Wyoming, but it also creeps into neighboring Montana and Idaho.



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According to the Guinness Book of World Records, the largest national park is Northeast Greenland National Park, which is an impressive 972,000 km, or 375,000 square miles, making it 77 times bigger than Yellowstone.

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The uncontested heavyweight champion of the National Park System is Alaska's Wrangell-St. Elias National Park & Preserve. At 13.2 million acres, it's larger than Yellowstone National Park, Yosemite National Park, and Switzerland combined.

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According to the Guinness Book of World Records, the largest national park is Northeast Greenland National Park, which is an impressive 972,000 km, or 375,000 square miles, making it 77 times bigger than Yellowstone.

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The largest national park is Wrangell–St. Elias in Alaska: at over 8 million acres (32,375 km2), it is larger than each of the nine smallest states. The next three largest parks are also in Alaska.

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Modern day Yellowstone National Park encompasses 2.2 million acres of mountainous wilderness. That's 55 times the size of Glenveagh National Park in Donegal, which is Ireland's largest national park at approximately 40,000 acres in size.

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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).

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The La Garita eruption was over 10,000 times as violent as Mt. St. Helens… La Garita blew out 1,500 cubic miles of rock and ash, nearly three times the amount from Yellowstone…

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Volcanic activity began in the Yellowstone National Park region a little before about 2 million years ago. Molten rock (magma) rising from deep within the Earth produced three cataclysmic eruptions more powerful than any in the world's recorded history.

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Yellowstone was especially valuable as a source of obsidian, a volcanic glass used to make knives, arrowheads and other tools, and more than 50 ancient obsidian quarry sites have been documented in the park by archeologist Douglas MacDonald.

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Given its small size compared to many other continents, many of Europe's largest parks seem puny compared to the others. But that doesn't mean they're actually small. Far and away the largest is Iceland's Vatnajökull National Park (14,141 square kilometers/5,460 square miles).

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