Volcano Calendar 2019: We're proud to present our 2019 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few 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.
Narugo (also known as Naruko) volcano is a caldera NW of Sendai city, northern Honshu, Japan. There is only one known historical eruption from Narugo volcano, which was in 837 AD.
Katanuma crater lake is one of the most acid crater lakes of Japan, with a pH of 1.6. Shurado crater on Toyagamori lava dome west of the lake has fumaroles that emit water vapor and SO2. Solfataras are also found on the western shore of Katanuma, and sulfur is mined from sediments on the lake floor.
Batu Tara photos: A remote island in the Flores Sea of Indonesia formed by a single volcano that has been in strong strombolian eruption for years. We regularly lead expeditions to there where we camp several days to observe it.
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