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Estimated 2000 of around 100 million asteroids larger than 10 meters across that regularly cross the Earth’s orbit, large enough to put civilization in danger – if they hit.

It’s predicted that near misses with deadly asteroids could be happening around two or three times a week, entirely unnoticed.

Tokyo, sits on the meeting point of three tectonic plates.

There is an enormous volcanic hot spot located directly under Yellowstone National Park, that erupts every 600,000 years or so, leaving a three-meter coat of ash on everything within 1,600 kilometers. Unfortunately for us, the last time it was active was 630,000 years ago!