Geysers Valley CO₂ Cycling Geological Engine (Kamchatka, Russia)

Table 3

Preeruption temperatures recorded in the bottom of Velikan geyser conduit and partial CO₂ pressure estimates at hydrostatic pressure distribution (atm = 0.956 bar) preceding the eruption.

Data	Depth, m	Hydrostatic pressure, bars	Preeruption temperature, °C	Saturation pressure (bars) at given temperature	bars
Aug. 6, 1994	5.0	1.43	99.5	0.99	0.44
July 27, 2007	4.65	1.39	105.5	1.23	0.14
Sept. 1, 2016	4.65	1.39	106.0	1.25	0.12
Sept. 1, 2017	4.30	1.36	104.0	1.17	0.19