Camas Prairie In the early 1940s, geologist Joseph Pardee first identified these wavy landforms as ripples not unlike ... this valley in just 48 hours. 6. Scabland Coulee The floods left behind ...

Scientists have created a new map of "mega ripples" on the seafloor caused by ... of the effects and dangers of tsunamis and such giant waves triggered by space rock impacts.

Scientists have discovered further details on the colossal mass extinction event that wiped out the dinosaurs using a new map of "mega ripples" on ... tsunamis and other giant waves triggered ...

Researchers found that the impact triggered mega ripples on the seafloor ... of the effects and dangers of tsunamis and such giant waves triggered by space rock impacts. Dinosaur tracks fossilised ...