Perched on top of Santorini's sheer cliffs is a world-famous tourist industry worth millions. Underneath is the fizzing risk ...

Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea, and can also be triggered by large rock ...

A troubling trend in seismic activity is once again worrying travelers with plans to visit a popular summer cruise ...

Santorini's last eruption was in 1950 ... produced the largest underwater explosion ever recorded, and created a tsunami in the Atlantic with shockwaves felt in the UK. Some islands in Tonga ...