Mount Shasta, California, USA Posted by agimarc on 2023-09-15 Posted in: America N, Volcanoes. Tagged: Andesite, Dacite, debris flow, Dome, flank collapse, glacier, Hotlum, Lahar, Shasta, Shastina. 5 Comments Mount Shasta from a local road looking generally north. Largest peak to the left is the newest Hotlum cone. Smaller cone to the right is the Shastina cone. Image courtesy Atlas Obscura, L Kiniry, Sept 2020 Continue Reading
Gunung Sorik Marapi, Sumatra, Indonesia Posted by agimarc on 2023-09-01 Posted in: Asia, Volcanoes. Tagged: Andesite, Barisan Mountains, crater lake, geothermal, hydrothermal, phreatic, Sorik Marapi, Sumatra. Leave a comment Sorik Marapi seen from the west. Image courtesy T Casadevall, USGS, 1987 via Smithsonian GVP Continue Reading