A tree had fallen onto the cooled lava after its base had burnt away. When it fell, the surface of the lava had cooled already enough not to burn it. (Photo: Tom Pfeiffer)
More on VolcanoDiscovery:
Tours to erupting volcanoes
: From time to time, we organize special tours to see volcanoes in eruption. These are often announced only few days or weeks in advance. Find out more!
Volcanic Ash Advisory Centres
: Much current eruption news is provided by the 9 Volcanic Ash Advisory Centres (VAAC) distributed around the globe. The VAACs provide a vital service for aviation safety.
Climbing Stromboli volcano
: Stromboli provides one of the most remarkable opportunities to watch volcanic eruptions from close: a natural ridge located 150 m above the active vents. A classic and all-time favorite tour by anyone interested in seeing active volcanoes!