Cloud Tsunami A viral video making its rounds on social media shows geachgoers in Portugal encountering an enormous and ...

A massive landslide triggered by climate change unleashed a 650-foot “mega-tsunami” that caused Earth to vibrate for nine days.

O n June 29, 2025, Portugal witnessed a rare "tsunami" roll cloud. This strange and scary weather event caused a massive roll ...

Rare roll cloud phenomenon advances over the ocean like a giant wave, captivating onlookers and spreading rapidly online.

A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.

People relaxing on Furadouro beach, south of the city of Porto, saw a huge cloud rolling in from over the ocean.

Dense fog on Lake Michigan Wednesday set the scene for a stunning display — a giant fog wave as a storm approached from the south.

Melting glaciers could trigger megatsunamis with 100m-tall waves, scientists warn Researchers analysed one such case of a giant tsunami that unleashed destruction in remote parts of eastern ...

A huge tsunami hit a cliff in Tonga 7000 years ago and carried a 1200-tonne boulder 200 metres inland, making it the biggest wave-lifted boulder ever found on a cliff ...