Question | Answer |
When was the last eruption? | 630,000 million years ago. |
How big is the caldera? | 55km by 80km wide. |
Is the next eruption expected to be minor or severe? | Severe. |
Name one positive of Yellowstone. | Attracts tourists. |
What is a caldera? | A depression formed by a super volcano. |
How many eruptions have happened in the past 3 million years? | 3. |
Are eruptions at a super volcano more frequent or less frequent? | Less frequent. |
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