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Table 1 Extracted values for effusion rate for lava and spectral radiance at 1.6 µm (R1.6Mx) for 2017 Nishinoshima activity (Kaneko et al., 2019b) and 2015 Raung activity (Kaneko et al., 2019a)

From: Simple empirical method for estimating lava-effusion rate using nighttime Himawari-8 1.6-µm infrared images

Observation date 1.6-μm radiance
(106 W m−2sr−1 m−1)
Effusion rate of lava
(106 m3 day−1)
2015 Raung / 23 Jun* 1.18 0.5
2015 Raung / 27 Jul* 2.51 0.79
2015 Raung / 4 Jul* 3.31 1.47
2015 Raung / 15 Jul* 3.18 1.63
2017 Nishinoshima / 23 Apr** 0.71 0.35
2017 Nishinoshima / 8 May** 0.50 0.23
2017 Nishinoshima /30 Jun** 0.26 0.094
2017 Nishinoshima / 25 Jul** 0.10 0.014
  1. *Kaneko et al., 2019a, **Kaneko et al., 2019b
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