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Latest quakes at Katla volcano One of Iceland's most active and dangerous volcanoes is showing signs of unrest and statistically due for a new eruption. Earthquakes could give a clue.
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.
17 days volcano trekking This is one of our most exciting volcano tours! Halmahera, North Sulawesi and the Sangihe Islands are not only very scenic and interesting as well as nearly unspoiled by tourism, but also home to some of the country's most active (and often erupting) volcanoes, inclduing Dukono, Ibu, Lokon, Soputan and Karangetang.