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.
Belknap Crater volcano is located near McKenzie Pass, north of the Three Sisters volcanoes in Central Oregon. It is the center and source of one of the largest number of geologically recent eruptions in the Cascade Range. It was very active between about 3000 and 1500 years ago.
The McKenzie highway 242 crosses the barren lava fields on the SE flank and offers with spectacular views toward Mt. Jefferson and the Three Sisters volcanoes.
Blue flames of burning sulfur: Ijen volcano in East Java has one of the most impressive sulfur deposits on earth. They are so hot that the sulfur often ignites - a mysterious display at night caught on camera.
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.
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