Part of the 1818 lava dome. (Photo: Tom Pfeiffer)
More on VolcanoDiscovery:
Photos from Kilauea volcano: lava flowing into the sea
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.
Volcano Eruption Special
: 11-16 Feb 2019: short-notice special tour to see the ongoing eruption of Karangetang volcano in northern Indonesia. Starting and ending in Manado. Small group 2-6 people, experienced volcano expedition leader from our team (Andi).