650-Foot Greenland Tsunami Shook Planet for 9 Days Straight

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A mountain collapsed in Greenland, creating a tsunami taller than a 60-story building.

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The wave didn't just destroy everything in its path—it caused the Earth to pulse for nine straight days

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The wave didn't just destroy everything in its path—it caused the Earth to pulse for nine straight days

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Scientists detected strange seismic signals repeating every 90 seconds from Alaska to Australia, but couldn't figure out the source

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What happens when a massive tsunami gets trapped in a narrow fjord with 6,000-foot cliffs? Something scientists had never seen before.

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The water sloshed back and forth like a bathtub, creating a "seiche" that pressed on the seafloor like a giant piston.

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It took 68 researchers from 40 institutions and 15 countries to solve the mystery of why Earth was pulsing.

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The breakthrough came from a brand-new satellite launched just months earlier that could map water in unprecedented detail.

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Climate change is directly causing these mega-tsunamis as melting glaciers destabilize mountainsides.

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A similar tsunami in 2017 destroyed 11 houses and killed 4 people—and popular cruise routes pass directly through these danger zones.

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Climate change is directly causing these mega-tsunamis as melting glaciers destabilize mountainsides.

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A similar tsunami in 2017 destroyed 11 houses and killed 4 people—and popular cruise routes pass directly through these danger zones.

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A mountain collapsed in Greenland, creating a tsunami taller than a 60-story building.

The wave didn't just destroy everything in its path—it caused the Earth to pulse for nine straight days

The wave didn't just destroy everything in its path—it caused the Earth to pulse for nine straight days

Scientists detected strange seismic signals repeating every 90 seconds from Alaska to Australia, but couldn't figure out the source

What happens when a massive tsunami gets trapped in a narrow fjord with 6,000-foot cliffs? Something scientists had never seen before.

The water sloshed back and forth like a bathtub, creating a "seiche" that pressed on the seafloor like a giant piston.

It took 68 researchers from 40 institutions and 15 countries to solve the mystery of why Earth was pulsing.

The breakthrough came from a brand-new satellite launched just months earlier that could map water in unprecedented detail.

Climate change is directly causing these mega-tsunamis as melting glaciers destabilize mountainsides.

A similar tsunami in 2017 destroyed 11 houses and killed 4 people—and popular cruise routes pass directly through these danger zones.

Climate change is directly causing these mega-tsunamis as melting glaciers destabilize mountainsides.

A similar tsunami in 2017 destroyed 11 houses and killed 4 people—and popular cruise routes pass directly through these danger zones.

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