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 Danau caldera at the western end of Java Island belongs to the Gunung Karang volcano. It was formed in Pleistocene (+- 2,5 mil. years ago). 10000 years ago two andesitic to basaltic volcanoes erupted and built up a stratovolcano until 1778m altitude (Karang volcano). Some active hydrothermal systems with hot springs are the today´s last sign of activity.
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.
Volcanic crisis at Sakurajima - updates: A strong earthquake swarm and increased inflation were detected in August 2015 and triggered authorities to raise the alert level, as volcanologists think that a larger eruption could follow. News and updates on the events can be found on this page.
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