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.
Ilopango volcano is a 8x11 km wide caldera at the eastern margin of San Salvador city, El Salvador. It is elongated to the east, has 150-500 m high walls and contains the scenic Lake Ilopango, one of El Salvador's largest.
The caldera is the result of at least 4 large plinian eruptions over the past few tens of thousands years. The lastest of these occurred in the 5th centruy AD. A historic eruption in 1879-80 formed Islas Quemadas ("burnt islands"), a group of islands in the center of the lake, corresponding to the summit of a mostly submerged post-caldera lava dome.
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.
Private geology tour on Santorini: We offer you private geology tours to get to know the extraordinary geology and natural history of the island, but also aspects of the deep connection with its cultural history and archaeology.
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