(DAILY MAIL) — Hidden beneath Yellowstone National Park in Wyoming is a supervolcano capable of blasting thousands of miles of rock and ash into the air.

While the supervolcano hasn’t erupted for 631,000 years, scientists have been working to understand the last eruption to predict when one will happen again.

Now, a spate of four mini-tremors in the area following a period of ‘rest’ has raised fears among the public that the supervolcano is about to blow.

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