Magma | Volcanic gasa | Bulk volatile content of magmab | Averaged emission rate of sulfur in 2014–2017c | Degassing rate | Magma degassed in 2014–2017d | Tephra in 2014–2016e | Magma degassed in 1979–2017f | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CO2/SO2 | H2O/SO2 | Degassed magma | Magma before degassing | |||||||||||||
H2O | CO2 | S | H2O | CO2 | S | Mass | Volume | Mass | Volume | Mass | Volume | |||||
(mol mol−1) | (mol mol−1) | (wt%) | (wt%) | (wt%) | (wt%) | (wt%) | (wt%) | (kg s−1) | (103 kg s−1) | (109 kg) | (109m3 DRE) | (109 kg) | (109m3 DRE) | (109 kg) | (109m3 DRE) | |
A1 | 1 | 25 | 0.12 | 0 | 0.004 | 1 | 0.09 | 0.07 | 8.7 (± 7.2) | 13 | 1700 | 0.62 | 2.8 | 0.0010 | 3000 | 1.1 |
A2 | Â | Â | Â | Â | Â | 2 | 0.18 | 0.14 | Â | 6.4 | 810 | 0.30 | Â | Â | 1400 | 0.53 |
A3 | Â | Â | Â | Â | Â | 0.5 | 0.04 | 0.03 | Â | 33 | 4200 | 1.6 | Â | Â | 7500 | 2.8 |
B1 | 10 | 45 | Â | Â | Â | 1 | 0.5 | 0.04 | Â | 24 | 3000 | 1.1 | Â | Â | 5400 | 2.0 |
B2 | Â | Â | Â | Â | Â | 2 | 1 | 0.08 | Â | 11 | 1400 | 0.53 | Â | Â | 2600 | 0.96 |
B3 | Â | Â | Â | Â | Â | 0.5 | 0.2 | 0.02 | Â | 54 | 6900 | 2.5 | Â | Â | 12,000 | 4.5 |