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Table 1 Sample list of rock samples from the Kirishima volcano analyzed in this study

From: Magma ascent and degassing processes of the 2011 and 2017–18 eruptions of Shinmoedake in Kirishima volcano group, Japan, based on petrological characteristics and volatile content of magmas

Date and location

Eruption stylea

Sample descriptionb

Sampling points in Fig. 1

Sample name in this studyc

Abbreviation for inclusion No

MI analysisd

 

1235 eruption at Ohaci volcano

Magmatic

Scoria (150 mm)

F

1235S

TS

4/4

 

1716–17 eruptions at Shinmoedake

Phreatic to magmatic

Gray pumices (~ 0.5 mm)

 

1716-17GP

KP

4/16

 
 

Phreatic to magmatic

White pumices

 

1716-17WP

   

2011 eruptions at Shinmoedake

 19 January

Preatomagmatic

Gray pumices (~ 0.5 mm)

 

2011-1PP

11-1P

7/10

 

 26–27 January (event P2)

Subplinian

Gray pumices (16 ~ 20 mm)

 

2011-2SGP

11-2SG

18/31

 

 26–27 January (event P2)

Subplinian

White pumices (2–12 mm)

 

2011-2SWP

11-2SW

0/5

 

 26–27 January (event P3)

Subplinian

Gray pumices (16 ~ 20 mm)

 

2011-3SGP

11-3SG

0/10

 

 1 February

Vulcanian and lava flow

A bomb

 

2011-4VB

11-4 V

7/12

 

 14 February

Vulcanian

A lapillus (~ 30 mm)

 

2011-5VL

11-5 V

0/7

 

 13 March

Vulcanian

Ash particles (1–3 mm)

 

2011-6VA

11-6 V

0/2

 

 18 April

Vulcanian

Lapilli (5–10 mm)

 

2011-7VL

11-7 V

0/2

 

 29 June

Continuous ash emission

Ash particles (0.25–0.50 mm, P, S and GG-types)

 

2011-8A

11–8

  

 31 August

Continuous ash emission

Ash particles (0.25–0.50 mm, S and GG-types)

 

2011-9A

11–9

  

2018 eruptions at Shinmoedake

 6 March

Vulcanian and lava flow

Gray pumices (1 ~ 10 mm)

A

2018-1VGP

18-1 V

9/24

 

 6 March

Vulcanian and lava flow

Scoria (1 ~ 10 mm)

A

2018-1VS

   

 9 March

Vulcanian and lava flow

Gray pumices (2 ~ 10 mm)

B

2018-2VGP

   

 9 March

Vulcanian and lava flow

Scoria (2 ~ 10 mm)

B

2018-2VS

   

 March

Vulcanian and lava flow

Ballistic blocks (3 blocks)

C, D

2018-3BB1, BB2, BB3

   

 March

Vulcanian and lava flow

Dark-gray and lithic lava fragments

E

2018-4L1, L2

   

 March

Vulcanian and lava flow

A gray and porous lava fragment

E

2018-4L3

   

 March

Vulcanian and lava flow

A banded and porous lava fragment

E

2018-4L4, L5

   
  1. aThe eruption styles of the 2011 eruptions are afterNakada et al. (2013)
  2. bP, S, GG-types were defined for the ash particles byOishi et al. (2013)
  3. c2018-4L4 is a dark-gray part of the banded and porous lava fragment and 2018-4L5 is a gray part of it
  4. dx/y; x, number of melt inclusions analyzed by SIMS; y, total number of melt inclusions analyzed in this study