Table 2 Total mass discharged by phreatic eruptions of Kusatsu-Shirane Volcano and other volcanoes in Japan

2018

Kusatsu-Shirane

2.4 × 10⁴–3.4 × 10⁴

1

0.4–0.5

This study

2015

Kuchinoerabujima

1.0 × 10⁵

1

1.0

Tajima et al. (2015)

2014

Ontake

8.9 × 10⁵–1.2 × 10⁶

2

2.0

Takarada et al. (2016)

2008

Meakandake

1.2 × 10⁴

1

< 0.1

Ishimaru et al. (2009)

2008

Shinmoedake

2.0 × 10⁵

1

1.3

Geshi et al. (2010)

1982

Kusatsu-Shirane

2.8 × 10³–3.4 × 10³

0

< 0.1

Aramaki and Hayakawa (1983)

1976

Kusatsu-Shirane

1.1 × 10⁴*

1

< 0.1

Shimozuru et al. (1978)

1937–39

Kusatsu-Shirane

5.0 × 10⁶

2

2.7

Minakami et al. (1942)

1932

Kusatsu-Shirane

1.1 × 10⁴*

1

< 0.1

Japan Meteorological Agency (2013)

1902

Kusatsu-Shirane

5.0 × 10⁵

1

1.7

Hayakawa (1999)

1882

Kusatsu-Shirane

5.0 × 10⁶

2

2.7

Hayakawa (1999)