The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
The Andahua-Orcopampa volcanic field is a 50 km x 30 km large field of monogenetic vents in the Andahua valley area, 20 km ENE of Nevados de Coropuna stratovolcano. It is known locally as the "Valley of the Volcanoes". The field contains scoria cones and lava flows, some of which are very young and from historic eruptions. Strombolian eruptions and lava flows have destroyed buildings from the time of the Incas, and there were uncertain reports of activity in 1913. Lava flows have repeatedly dammed the Río Andagua valley modified the local topography.
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.
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