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Top 20 quakes in 2016 Several magnitude 7 quakes occurred in 2016 (but none above M8): Papua New Guinea, NZ, Ecuador, Solomon Islands, Sumatra, Chile, Alaska and others - nearly all major earthquakes were located near active subduction zones. See the top 20 list of largest quakes in 2016 with this map.
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.
Krakatau volcano photos Hundreds of photos from active Krakatau volcano in the Sunda Strait, Indonesia. Most of them taken during our various expeditions to this fascinating volcano.
Earthquakes near Volcanoes Our world-wide map continuously detects shallow earthquakes near volcanoes. These could be early signs of unrest and often precede eruptions.