Global Volcanism Program | Image GVP-12800
The summit crater of the Vulcano Fossa cone is seen here in May 2011. On the crater wall to the right is discoloration from geothermal activity consisting of fumaroles across a fracture zone. In 2010 the average measured temperature across the field was 190°C.
Photo by Arianna Soldati, 2011.
This image is made available under the Creative Commons BY-SA 4.0 license terms.