Eruption history
VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.
| Start | End | VEI | Vent and dating |
|---|---|---|---|
| 10 February 1996 | 1 May 1996 | 2 | Fugen-dake · Observations: Reported |
| 17 November 1990 | 16 February 1995 | 1 | Fugen-dake · Observations: Reported |
| 10 February 1792 | 22 July 1792 | 2 | Fugen-dake (summit, NNE), Mayu-yama · Observations: Reported |
| 11 December 1663 | 27 December 1663 | 2 | NE flank of Fugen-dake (1200 m) · Observations: Reported |
| April 1663 | May 1663 | 2 | Fugen-dake (Tsukumo-jima Pond) · Observations: Reported |
| 1,150 BCE ± 500 years | — | ? | Fugendake-Sancho · Radiogenic: Thermoluminescence |
| 1,450 BCE ± 500 years | — | ? | Fugen-dake (Kazaana) · Radiogenic: Thermoluminescence |
| 2,150 BCE ± 800 years | — | ? | Mayu-yama (Tengu-yama) · Radiogenic: Thermoluminescence |
| 2,640 BCE ± 500 years | — | ? | Mayu-yama (Shichimen-zan) · Isotopic: 14C (calibrated) |
| 2,720 BCE ± 300 years | — | ? | Fugen-dake · Isotopic: 14C (calibrated) |
| 4,050 BCE ± 3,000 years | — | ? | Fugen-dake (Shimanomine) · Radiogenic: Fission track |
Data: Global Volcanism Program, Smithsonian Institution (#282100)