This powerful underwater volcano erupting in the south Pacific created a new island off the coast of Tonga. Tonga, a 170-island archipelago between Australia and Tahiti, is part of the Pacific "ring of fire" - an arc of earthquake and volcanic zones stretching from Chile in South America through Alaska and down through Vanuatu to Tonga.
A violent volcanic eruption in Alaska's Aleutian Islands that continues to spew ash and sulfur dioxide gas and is expected to stay active for weeks, observers say.
active Wolf Volcano, Isabela Island, the highest peak in the Galapagos Islands. NASA image created by Jesse Allen, using Landsat data provided by the United States Geological Survey. Caption by Michon Scott.
Puy des Goules Parc des volcans d'Auvergne - France
Volcano Villarrica in southern Chile erupted in the early hours of Tuesday sending ash and lava high into the sky, and forcing the evacuation o.