Research Article
Geysers Valley CO2 Cycling Geological Engine (Kamchatka, Russia)
Figure 3
Velikan geyser terminal eruptions in 1976, 1991, and 2011. The height of the stone on a right is 1 m. Photo by V. M. Sugrobov (1976, 1991) and A. V. Kiryukhin (2011).