Table 1 Sample collection information
Sample ID | Date of eruption | Time of eruption onset | Comment | Sampling time | Locality | Direction from the crater | |
|---|---|---|---|---|---|---|---|
From | To | ||||||
18-Keb02-4 | Oct. 21, 2018 | 18:31 | n.d | 23rd Oct. 17:30 | Nemachi | NE, 2 km | |
18-Keb03-1 | Oct. 22, 2018 Oct. 25, 2018 | from 15:19, Oct. 22 to 15:21, Oct. 25; from 16:21, Oct. 25 to 17:30, Dec. 13, 2018 | Oct. 23rd 16:00 | 26th Oct. 13:16 | Tashiro | NNW, 3 km | |
18-Keb07-2 | Nov. 5, 2018 | 14:20 | n.d | 5th Nov. 15:20 | Maeda | NW, 2.5 km | |
18-Keb09 | Nov. 12, 2018 | 8:30–9:30 (two explosions) | 11th Nov | 12th Nov. 9:40 | Tashiro | NNW, 3 km | |
18-Keb12-1 | Nov. 20 and 21, 2018 | 20th Nov. 10:00 | 21st Nov. 14:10 | Honmura | NW, 3 km | ||
18-Keb15 | Dec. 6, 2018 | 6th Dec. 10:00 | 6th Dec. 16:00 | Yumugi | ENE, 3 km | ||
18-Keb17 | Dec. 18, 2018 | 16:37 | PDC | 18th Dec. 13:30 | 20th Dec. 8:30 | Tashiro | NNW, 3 km |
18-Keb19-1 | Dec. 28, 2018 | 22:09 | n.d | 29th Dec. 11:30 | Nakama, Yakushima-cho | SW, 30 km | |
19-Keb03-3 | Jan. 17, 2019 | 9:19 | PDC | n.d | 18th Jan. 9:00 | Furudake | SSE, 2 km |
19-Keb06 | Jan. 20, 2019 | 20:51 | 18th Jan. ca. 8:00 | 22nd Jan. 14:30 | Nanakama | SE, 1.5 km | |
19-Keb09-2 | Jan. 29, 2019 | 17:13 | PDC | n.d | 30th Jan. 14:00 | Nanakama | SE, 1.5 km |