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.
Ungaran volcano is a probably extinct volcano south of Semarang city at the N coast of Java. Highly eroded, the mountain is the remnant of a stratovolcano that underwent repeated flank collapse. At present, there are only fumaroles and warm springs located on the volcano's flanks as signs of activity.
Dukono volcano photos: Dukono on Halmahera in Indonesia has been in permanent activity for years, often producing ash plumes that drift around the northern part of the island and have become normality.
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