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Which volcano has the largest caldera in the United States?
VolcanoesCalderas
Quick Answer
Yellowstone is the largest volcanic caldera in the United States, measuring roughly 70 km by 45 km.
The Full Story
The Yellowstone Caldera in Wyoming formed during a massive eruption about 640,000 years ago. Its depression is about 70 kilometers long and 45 kilometers wide, making it one of the world’s largest active volcanic systems. Yellowstone is not a classic cone-shaped volcano but a supervolcano system with geothermal features, geysers, and seismic activity. Although it is closely watched, there is no sign of an imminent eruption. Its size and geothermal activity make it one of the most famous volcanic systems on Earth.
Key Facts
1.Caldera size: about 70 km by 45 km
2.Last major eruption: about 640,000 years ago
3.Location: Wyoming, USA
YouTube Angle
Suggested video title for this topic:
"The giant volcano hidden under Yellowstone"