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.
Sempu is a statovolcano within a 3 km wide caldera containing an explosion crater (Kawah Masem maar) of 450x350 m diameter in the SW part of the caldera and contains a crater lake. There are no confirmed historical eruptions from Sempu. Sulfur has been a site of sulfur extraction from fumarolic areas in the maar since 1938.
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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