Regular tsunamis are destructive, but mega tsunamis are on another level. Could one really reach skyscraper heights? How are they formed, and what would happen if the biggest one ever hit? Scientists ...

Could one really reach skyscraper heights? How are they formed, and what would happen if the biggest one ever hit? Scientists break down the terrifying truth behind these massive waves.

The biggest, baddest waves aren’t born ... Lituya Bay generated a wave 100 feet high, the tallest tsunami ever documented. When the wave ran ashore, it snapped trees 1,700 feet upslope.

While collapsing buildings will kill an estimated 73,000 people, the deadliest consequence will be the huge tsunami wave sweeping across the island. When an earthquake occurs beneath the ocean ...

Now, nearby, at Bondi Beach’s Ben Buckler Point, footage has emerged of a young local charger snagging what many are calling the biggest wave ever surfed at the spot. Chase Hardaker, a 23-year ...

Tonga and Niue, which is northeast of the quake's epicentre, may see a tsunami wave of between 0.3m to one metre. And the Cook Islands, Fiji, Samoa, Tuvalu, Kiribati, Kermadec Islands, American ...

The biggest tsunami recorded was 1,720 feet tall on July ... one boat that powered directly up the face of the still-building wave, and another that rode it like a surfer about 80 feet above ...

Tonga and Niue, which is northeast of where the quake struck, could now see a tsunami wave of between 0.3m to ... in the seabed and produced Earth's biggest atmospheric explosion in over 100 ...