The Nevado del Ruiz Quaternary Volcanic Complex
![Crater Arenas](https://iugs-geoheritage.org/wp-content/uploads/2022/07/060-1_The-Nevado-del-Ruiz-Quaternary-Volcanic-Complex-1024x640.jpg)
The cotacachi – Cuicocha volcanic complex
![Cuicocha volcanic complex](https://iugs-geoheritage.org/wp-content/uploads/2022/07/061-1_The-cotacachi-–-Cuicocha-volcanic-complex-1024x530.jpg)
The Quaternary Santorini Caldera
![Nea Kameni](https://iugs-geoheritage.org/wp-content/uploads/2022/07/062-1_The-Quaternary-Santorini-Caldera-1024x602.jpg)
The vapor phase ignimbrites of Sillar in the Añashuayco Quarries of Arequipa
![Añashuayco quarry](https://iugs-geoheritage.org/wp-content/uploads/2022/08/063-1_The-vapor-phase-ignimbrites-of-Sillar-in-the-Anashuayco-Quarries-of-Arequipa-1024x640.jpg)
The Calicanto pyroclastic succession of the 1600 CE Huaynaputina eruption
![Pyroclastic density](https://iugs-geoheritage.org/wp-content/uploads/2022/07/064-1_The-pyroclastic-deposits-from-the-Huaynaputina-volcano-eruption-1600-CE-1024x640.jpg)
The Miocene Cappadocian Ignimbrites sequence
![Cappadocian volcanic](https://iugs-geoheritage.org/wp-content/uploads/2022/07/065-1_The-Miocene-Cappadocian-Ignimbrites-sequence-1024x640.jpg)
El Tatio geothermal field
![El Tatio geothermal field](https://iugs-geoheritage.org/wp-content/uploads/2022/07/066-1_El-Tatio-geothermal-field-1024x640.jpg)
The Yellowstone volcanic and hydrothermal system
![Silex Spring](https://iugs-geoheritage.org/wp-content/uploads/2022/07/067-1_The-Yellowstone-volcanic-and-hydrothermal-system-1024x640.jpg)