194_indo_2009-6181.jpg (Photo: Tobias Schorr)
More on VolcanoDiscovery:
: We're a team of experts offering tours to volcanoes around the world.
Volcano Calendar 2016
: We're proud to present our new volcano calendar 2016: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
Small spherical balls of volcanic ash that form from a wet nucleus falling through a volcanic ash cloud.
17 days volcano trekking
: This is one of our most exciting volcano tours! Halmahera, North Sulawesi and the Sangihe Islands are not only very scenic and interesting as well as nearly unspoiled by tourism, but also home to some of the country's most active (and often erupting) volcanoes, inclduing Dukono, Ibu, Lokon, Soputan and Karangetang.