Table 1 Effused volume and effusion rate for the 2017 Nishinoshima eruption based on analysis of the ALOS-2 images
Date | Area covered by lava flows m2 | Effused volume m3 subaerial (inc. cone) | Effused volume m3 subaerial (inc. cone) and subaqueous | Effusion rate m3/day (m3/s) |
|---|---|---|---|---|
28 April | 326,397 | 3,887,722 | 4,194,931 | 349,578 (4.05) 17–28 April |
12 May | 441,142 | 5,310,590 | 7,350,850 | 225,423 (2.61) 29 April–12 May |
26 May | 494,827 | 6,019,064 | 8,981,191 | 116,453 (1.35) 13–26 May |
9 June | 623,003 | 7,599,070 | 11,005,840 | 144,618 (1.67) 27 May–9 June |
23 June | 685,242 | 8,407,620 | 12,921,828 | 136,856 (1.58) 10–23 June |
7 July | 713,159 | 8,814,605 | 14,244,248 | 94,459 (1.09) 24 June–7 July |
21 July | 728,075 | 9,069,475 | 15,329,851 | 77,543 (0.90) 8–21 July |
31 July | 735,075 | 9,208,770 | 15,469,146 | 13,930 (0.16) 22–31 July |