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 |
|---|---|---|---|
| 22 June 2025 | 7 September 2025 | 3 | Observations: Reported |
| 1 March 2018 | 22 June 2018 | 3 | Shinmoedake · Observations: Reported |
| 11 October 2017 | 17 October 2017 | 2 | Shinmoedake · Observations: Reported |
| 19 January 2011 | 7 September 2011 | 3 | Shinmoe-dake · Observations: Reported |
| 30 March 2010 | 10 July 2010 | 1 | Shinmoe-dake · Observations: Reported |
| 22 August 2008 | 22 August 2008 | 1 | Shinmoe-dake crater and W flank · Observations: Reported |
| 1 December 1991 | 19 April 1992 | 1 | Shinmoe-dake · Observations: Reported |
| 16 February 1979 | — | 1 | Shinmoe-dake · Observations: Reported |
| 5 August 1971 | 5 August 1971 | 1 | North foot, near Tearai hot springs · Observations: Reported |
| 13 February 1959 | 17 February 1959 | 2 | Shinmoe-dake · Observations: Reported |
| 16 July 1923 | 16 July 1923 | 2 | Ohachi · Observations: Reported |
| 8 November 1914 | — | ? | Ohachi · Observations: Reported |
| 8 November 1913 | 8 January 1914 | 2 | Ohachi · Observations: Reported |
| 29 August 1903 | 25 November 1903 | 2 | Ohachi · Observations: Reported |
| 28 July 1899 | 16 February 1900 | 2 | Ohachi · Observations: Reported |
| 26 December 1898 | 30 December 1898 | 2 | Ohachi · Observations: Reported |
| 8 February 1898 | 11 March 1898 | 2 | Ohachi · Observations: Reported |
| 3 May 1897 | 4 September 1897 | 2 | Ohachi · Observations: Reported |
| 21 December 1896 | — | 2 | Ohachi · Observations: Reported |
| 16 July 1895 | 26 June 1896 | 2 | Ohachi · Observations: Reported |
| 25 February 1894 | 28 February 1894 | 2 | Ohachi · Observations: Reported |
| 10 November 1891 | 20 November 1891 | 2 | Ohachi · Observations: Reported |
| 19 June 1891 | — | 2 | Ohachi · Observations: Reported |
| 10 December 1889 | 18 December 1889 | 2 | Ohachi · Observations: Reported |
| 21 February 1888 | 9 May 1888 | 2 | Ohachi · Observations: Reported |
| 16 May 1887 | — | 2 | Ohachi · Observations: Reported |
| 16 September 1880 | — | 2 | Ohachi · Observations: Reported |
| 20 April 1832 | — | 2 | Shinmoe-dake · Observations: Reported |
| 12 January 1822 | — | 2 | Shinmoe-dake · Observations: Reported |
| 1771 | 1772 | 2 | Shinmoe-dake · Observations: Reported |
| 1769 | — | 2 | Ohachi · Observations: Reported |
| 1768 | — | 0 | Iwo-yama (NW flank of Karakuni-dake) · Observations: Reported |
| 1719 | — | 2 | Shinmoe-dake · Observations: Reported |
| 19 September 1717 | — | 3 | Shinmoe-dake · Observations: Reported |
| 9 November 1716 | 13 February 1717 | 3 | Shinmoe-dake · Observations: Reported |
| 11 March 1716 | — | 3 | Shinmoe-dake · Observations: Reported |
| 28 January 1706 | — | 2 | Ohachi · Observations: Reported |
| 1690 | — | 2 | Ohachi · Observations: Reported |
| 1 March 1678 | — | 2 | Ohachi · Observations: Reported |
| 1677 | — | 2 | Ohachi · Observations: Reported |
| September 1662 | 1664 | 2 | Ohachi · Observations: Reported |
| February 1659 | 1661 | 2 | Ohachi · Observations: Reported |
| 1637 | 1638 | 2 | Shinmoe-dake · Observations: Reported |
| 26 October 1628 | — | 2 | Ohachi · Observations: Reported |
| 1620 | — | 2 | Observations: Reported |
| 1615 | 1618 | 2 | Ohachi · Observations: Reported |
| 1613 | 1614 | 2 | Ohachi · Observations: Reported |
| 1598 | 1600 | 2 | Ohachi · Observations: Reported |
| 1595 | — | 2 | Observations: Reported |
| 7 April 1588 | — | 2 | Ohachi · Observations: Reported |
| 24 May 1587 | — | 2 | Ohachi · Observations: Reported |
| November 1585 | — | 2 | Ohachi · Observations: Reported |
| 1576 | 1578 | 2 | Ohachi · Observations: Reported |
| February 1574 | — | 2 | Ohachi · Observations: Reported |
| 31 October 1566 | — | 3 | Ohachi · Observations: Reported |
| 6 May 1566 | — | 2 | Observations: Reported |
| 1554 | — | 2 | Ohachi · Observations: Reported |
| 1524 | — | 2 | Ohachi · Observations: Reported |
| 25 January 1235 | — | 4 | Ohachi · Observations: Reported |
| 7 February 1184 | — | 2 | Ohachi · Observations: Reported |
| 1167 | — | 2 | Ohachi · Observations: Reported |
| 27 February 1113 | — | 2 | Observations: Reported |
| 9 March 1112 | — | 2 | Ohachi · Observations: Reported |
| c. 1000 | — | ? | Ohachi · Correlation: Tephrochronology |
| 945 | — | 2 | Observations: Reported |
| 858 | — | 2 | Observations: Reported |
| 857 | — | 2 | Observations: Reported |
| 843 | 848 | 2 | Observations: Reported |
| 837 | 839 | 3 | Ohachi · Observations: Reported |
| 18 April 788 | — | 4 | Ohachi (Katazoe Scoria) · Observations: Reported |
| 28 December 742 | — | 3 | Ohachi · Observations: Reported |
| c. 700 | — | ? | Ohachi · Correlation: Tephrochronology |
| c. 2,050 BCE | — | 3 | Shinmoe-dake (Mae-yama Pumice) · Isotopic: 14C (uncalibrated) |
| c. 2,650 BCE | — | 4 | Mi-ike · Isotopic: 14C (uncalibrated) |
| c. 3,050 BCE | — | 3 | Takachiho-mine · Correlation: Tephrochronology |
| c. 3,550 BCE | — | 3 | Takachiho-mine (Mojihara Ash) · Correlation: Tephrochronology |
| c. 4,350 BCE | — | 4 | Old Takachiho · Isotopic: 14C (uncalibrated) |
| 5,700 BCE ± 1,350 years | — | 3 | Old Takachiho · Correlation: Tephrochronology |
| 7,050 BCE ± 2,350 years | — | 3 | Shinmoe-dake (Setao Pumice) · Correlation: Tephrochronology |
Data: Global Volcanism Program, Smithsonian Institution (#282090)