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Massive Tsunami From Dino-Killing Asteroid Carved ‘Megaripples’ Into the Ocean Floor
The asteroid that killed off all non-avian dinosaurs made quite the splash when it hit the Yucatan Peninsula some 66 million years ago, generating a tsunami of epic proportions. Seafloor scars from this gigantic wave have been spotted in seismic data taken in Louisiana, offering new insights into this catastrophic event.