Volcano Calendar 2020: We're proud to present our 2020 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past two years.
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.
Sierra la Primavera volcano is a volcanic complex immediately west of Mexico's second-largest city Guadalajara. It contains a large caldera that formed about 95,000 years ago and produced major pumice flows forming ignimbrite layers. The volcano could still be active, although the last activity probably dates back more about 30,000 years ago, when it formed a lava dome. Today, there are steam vents and hot springs at many locations of the complex.
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.
Volcano Calendar 2015: We're proud to present our new volcano calendar 2015: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
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