If you see the ocean receding unusually rapidly or far it's a good sign that a big wave is on its way. Go to high ground immediately. Many people were killed by the Indian Ocean tsunami because ...

Most tsunamis are caused by earthquakes, but anything that displaces a large amount of ocean water, including landslides, volcanoes and meteor strikes, can trigger a big wave. According to the ...

It was a typical sunny Thursday morning — and suddenly messages popped up on millions of cell phones across the Bay Area and Northern California: “Tsunami ... surges or big waves this time.

Tsunamis and tidal waves are the powerful types of wave on ... revealed from tiny chunks of Japanese amber, study finds 'The Big One' could rock the Pacific Northwest and fuel sea-level rise ...