lava field at tolbachik volcano, after eruption in 2012 on background big udina volcano, kamchatka

active adventure alpine ash beautiful blast caldera cap climb cone crater danger dramatic eruption far field flat flow geology glow hike hiking icecap kamchatka landscape lava mountain mountainous natural nature nobody outdoor peninsula picturesque rock russia scenery slope stone summer tolbachic tolbachik tour tourism travel trip view volcanic volcanism volcano