Table 2 Total of recorded SO2 mass break down into eruptive phases
From: Magmatic volatiles control the sub-plinian basaltic eruptions at Ambae volcano, Vanuatu
Satellite SO2 measurements during during the Ambae 2017–2018 eruption | ||||||||
|---|---|---|---|---|---|---|---|---|
Periods | EDP1 September 5–10, 2017 (6 days)—P1 | Rel calm phase September 11–October 13, 2017 (33 days) | EDP2 October 14–November 23, 2017 (41 days) | Relative calm phase November 24, 2017–March 18, 2018 (115 days) | EDP3 March 19–April 14, 2018 (27 days) | Relative calm phase April 15–July 16, 2018 (93 days) | EDP 4 July 17–August 03, 2018 (18 days) | |
Min. daily value (kt) | 0,7 | 0,3 | 0,4 | 0,2 | 2,1 | 0,07 | 5,6 | |
Max. daily value (kt) | 38,1 | 4,8 | 39,1 | 19,2 | 101,3 | 15,0 | 390,0 | |
Mean daily value (kt) | 15,2 | 1,8 | 16,1 | 4,7 | 36,3 | 2,1 | 71,6 | |
Cumulative value (kt) | 76.1 | 57,2 | 516,3 | 470.0 | 944,8 | 177,5 | 1074,4 | |
Standard dev. | 15,4 | 1,2 | 12.0 | 4.0 | 26,7 | 2,7 | 92,8 | |
Total SO2 released during eruption: 3316 ± 155 kt (3.3 ± 0.2 Tg) | ||||||||
