900 Foot Megatsunami? Scientists Discover Tsunami Evidence in Africa.. A new study reveals evidence how an ancient 900 foot megatsunami wave caused widespread destruction in Cape Verde. It happened around 78,000 years ago

900 Foot Megatsunami? Scientists Discover Tsunami Evidence in Africa.. A new study reveals evidence how an ancient 900 foot megatsunami wave caused widespread destruction in Cape Verde. It happened around 78,000 years ago