- Great Fissure eruption (Main Fracture)
- Northern Breakthrough (North Breach)
| Pekov, I.V., Sandalov, F.D., Koshlyakova, N.N., Vigasina, M.F., Polekhovsky, Y.S., Britvin, S.N., Sidorov, E.G., Turchkova, A.G. (2018): Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia[i]. Minerals: 8: 498 doi.org (n.d.) https://doi.org/10.3390/min8110498 |