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Tour photos Sep 2018 Impressions from our Tour to Kamchakta during Sep 2018: northern group of volcanoes, Karymsky, and the southern plateau with Mutnovsky and Gorely.
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.
Introduction to Plate Tectonics The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.