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The eruption of a “supervolcano” underneath Yellowstone National Park would be like nothing humanity has ever seen! There are 20 supervolcanoes on Earth that represent that greatest natural threat to human life, writes journalist and “End Times” author Bryan Walsh.

The Yellowstone supervolcano is an eight out of eight on the Volcanic Explosivity Index but has only erupted three times in the last 2.1 million years. The last eruption was 640,000 years ago.

Volcanologists predict an explosion could spread toxic gas all the way to the Midwest, ruining crops and knocking out power, according to Walsh. He adds that a toxic cloud blocking the sun could cause much colder temperatures in the United States for years. Probably ruin my pool day as well!

Read more about it here.