Two moderate earthquakes occurred near Galeras, Colombia's most active volcano, at a depth of ca 30 km. According to the Colombian Geological Service, the first quake occurred at 4:35 a.m. local time (about 0935 GMT) and registered 4.5 on the Richter scale. A minute later, a second quake measuring magnitude-4.3 hit, several mild aftershocks have followed. Two people died when their house was crushed by falling rocks and officials suspended classes in local schools as a precaution. The earthquakes have placed local authorities in the nearby city of Pasto, capital of Narino Province, on high alert as they fear that the currently dormant volcano might enter a new eruptive phase. ...read all
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.
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).
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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