In the span of 10 days, nearly 13,000 tremors of varying intensity were recorded on the Greek island of Santorini. The ...

A 7.6 magnitude earthquake hit the Caribbean Sea south of the Cayman Islands on Saturday evening, followed by temporary ...

The seismic activity of Axial Seamount, a submerged volcano roughly 300 miles off the coast of Oregon and more than one mile beneath the sea’s surface, has been increasing with hundreds of small ...

A massive underwater earthquake (7.6) between Honduras & Cayman Islands triggered tsunami alerts as far as the US Virgin ...

The last time Kolumbo experienced a major eruption was 1650, coughing out ash seen as far away as Turkey. Pyroclastic flows – ...

Tsunamis (pronounced soo-ná-mees), also known as seismic sea waves (mistakenly called "tidal waves"), are a series of enormous waves created by an underwater disturbance such as an earthquake ...

The plume of ash and gas blotted out the sun. Tsunamis hurtled outward, engulfing villages in Tonga’s low-lying islands and crashing into shorelines as far away as Peru. It was one of the most ...

An curved arrow pointing right. An underwater volcano off Tonga erupted on Saturday, causing giant waves to hit several countries in the Pacific, including the US, Peru, Japan, and Tonga's largest ...

The primary trigger for tsunamis is large underwater earthquakes that shift the seabed vertically. Landslides, whether underwater or on land, and ice falling into the ocean, volcanic eruptions ...

We thought we knew what caused this mixing – in summer, we thought it was mainly wind and tides, but it never occurred to us that iceberg calving could cause internal tsunamis that would mix ...

Royal Navy personnel are helping scientists warn of potentially catastrophic tsunamis by researching huge underwater volcanoes on the edge of Antarctica. Navy icebreaker HMS Protector has used her ...