How Did Lake Nyos Suddenly Kill 1,700 People? — Plus Other Natural Phenomena

One evening, people heard their local lake rumbling. A day and a half later, 1,700 people were dead. What happened on that fateful night? Plus, what if the Hoover Dam broke? And is a catastrophic earthquake coming?

How Did Lake Nyos Suddenly Kill 1,700 People? — Plus Other Natural Phenomena

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