- ultravulcanian
- ультравулканический (о типе извержения, сопровождающемся газовыми взрывами и выбросами)
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Phreatic eruption — A Phreatic eruption, also called an ultravulcanian eruption, occurs when rising magma makes contact with ground or surface water. The extreme temperature of the magma (anywhere from 600 °C to 1,170 °C (1110–2140 °F)) causes near instantaneous… … Wikipedia