Volcanoes File photo: wikimedia.org 4.02.12.Vulkan Tungurahua quite suddenly and sharply intensified at dawn. According to the Geophysical Institute of the National Polytechnic High School, have been reported tremor…

File photo: wikimedia.org January 4. Tungurahua volcano quite unexpectedly and sharply intensified at dawn. According to the Geophysical Institute of the National Polytechnic High School, have been reported…