Officials worry that part of the volcano could collapse into the sea and cause a tsunami as in a 1871 eruption there. Tagulandang island to the volcano’s northeast is again at risk, and its ...

A volcano on Flores Island in Indonesia woke up island residents early Friday when the latest eruptive episode sent ash and ...

Indonesian authorities issued a tsunami alert on Wednesday after eruptions at Ruang mountain sent ash thousands of feet high. Officials ordered more than 11,000 people to leave the area.

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 powerful volcanic eruptions ever recorded.

Although it was pointed out that the tsunami could have been triggered by an underwater volcanic eruption or a seabed landslide, the cause remained a mystery. The government’s Earthquake ...

A huge volcanic eruption has been observed on the Indonesian island of Flores but no significant tidal anomalies have been ...

Meanwhile, Chile and Ecuador did issued tsunami warnings. On Saturday, January 15, the submarine volcano Hunga-Tonga-Hunga-Ha'apai, which is located off Tonga, erupted and caused a tsunami warning ...

The Alaska Volcano Observatory says that if the snowcapped volcano erupts, the impacts could include damage to aircraft from ash.

Drowning is the most common cause of death associated with a tsunami. Tsunami waves and the receding water are very destructive to structures in the run-up zone. Other hazards include flooding ...

The Nasa Earth Observatory said earlier that the Hunga Tonga-Hunga Ha’apai volcano spewed debris as high as 40km into the atmosphere during the eruption that triggered huge tsunami waves.