Dive into the 'Mouth of Hell': Virtual Tour Takes You Inside an Active Volcano
By Mindy Weisberger, Senior Writer | September 1, 2017 12:12pm ET
An active volcano is a dramatic sight. Volcanoes — hills or mountains in Earth's crust that form over fissures opening directly into the mantle — can hold vast lakes of molten lava in their craters. And when they erupt, they can eject lava flows and fountains, generate earthquakes and avalanches, or produce steam and ash plumes that may tower for miles overhead, offering an awe-inspiring glimpse of the dynamic processes at work deep inside our planet.
https://www.livescience.com/60299-virtual-tour-of-active-volcano.html
