Hidden 620 mile crack beneath North America could trigger massive earthquake

A new study reveals that the Tintina fault line in Canada, previously thought dormant for 40 million years, has been active for 2.6 million years, with a significant risk of a major earthquake exceeding magnitude 7.5 due to accumulated pressure. This fault, extending over 620 miles, poses a potential threat to Dawson City and surrounding infrastructure, though its remote location may limit damage to livelihoods.

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