[responsive_vimeo https://player.vimeo.com/video/6930391] Volcano Santiaguito is located in Guatemala. It is a unique volcano with frequent asheruptions from its lava dome.
[responsive_vimeo https://player.vimeo.com/video/6933262] Geysers and hot springs in Yellowstone Nationalpark. You can see geysers like Old Faithful, Castle and Grand Geyser.
https://player.vimeo.com/video/6931035 In 2006 Mount Merapi erupted a lava dome. Pyroclastic flows were generated by partial collapse of this dome. 2 people died.