A lava dome partially fills the summit caldera of Berg, with Kolokol in the background to the S. They are part of a group of Holocene volcanoes in central Urup Island that is named after the most prominent cone.

Photo courtesy of Alexandr Rybin (Institute of Marine Geology and Geophysics, Yuzhno-Sakhalin).

Keywords: lava dome | crater | stratigraphy

Kolokol Group