The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
El Altar is an extinct stratovolcano on the western side of Sangay National Park in Ecuador, 170 km south of Quito. Altar was last active about 2 million years ago and contains a caldera open to the west, which contains a lake.
A large rockslide caused fatalities in 2000. On 13 October 2000, a large block of andesitic breccia with a volumne of ca. 1.5 million m3 rock broke off from near the summit and slid 900 m down into a caldera lake. This impact caused a 50 m high tsunami which overflowed the caldera and produced a lahar, that killed 13 people
Dallol hot springs: One of the most bizarre landscapes on earth: Dallol is a vast and very active hydrothermal field creating a colorful array of hot springs, small geysers, salt towers, colorful lakes and ponds in the middle of the deepest part of the Danakil desert and the Karum salt lake.
Volcano Tours on Hawai'i: The Hawaiian Islands are not only home to the most active volcanoes in the world, Kilauea and Mauna Loa on the Big Island, but also boast a unique natural environment. Born by volcanic activity of a very active hot spot in the middle of the Pacific Plate, they are a showcase of natural history.
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