Landslides, earthquakes, and subduction faults could generate 1,000-foot mega-tsunamis, wiping coastal communities off the ...

Thera, Ancient Greece, 1645 B.C. The volcanic eruption of the ancient Greek island of Thera was among the largest in thousands of years. Thera's blast collapsed its cone, producing a tsunami often ...

But if you don’t have prior knowledge of whether you’re in a tsunami hazard zone, and no maps or evacuation signs are available, aim for spots 100 feet ... warning from last week — issued ...

Scientists typically estimate when tsunamis happened in the past using geological ... and 114 million years ago, during the Early Cretaceous period (145 million to 100 million years ago), when ...

Within hours, a series of waves that in some cases reached more than 100 feet tall had ... that was destroyed in the tsunami appeared untouched in the past 20 years beyond the garbage strewn ...

The red zone is based on Hawaii-specific data over the past 100 years, while the yellow zone reflects “a rare, more extreme tsunami event that would result in much more extensive flooding ...

Tsunamis radiate in all directions from the epicenter and can cause dangerous coastal flooding and powerful currents that can last for hours or days. Experts warn that just before a tsunami hits ...

Wavelike patterns in 115-million-year-old ... starters, a tsunami would have impacted a broad area, so examining more of this amber deposit is important. “What does it look like 100 meters ...