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.
Todoko-Ranu Volcano in north-western Halmahera 15 km SW of Gamkonora volcano is a part of a larger volcanic complex, which contains 2 calderas. One of the calderas, Ranu caldera, contains a crater lake.
Volcanoes & Spices: This 17-days adventurous expedition is one of our most exciting volcano tours! Visit Halmahera, North Sulawesi and the Sangihe Islands with some of Indonesia's most active volcanoes, including Dukono, Ibu, Lokon, Soputan and Karangetang.
Igneous or magmatic rocks: The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.
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