| Date | Volcano | VEI | Region | Deaths | Damage | |
|---|---|---|---|---|---|---|
| Tiatia | 2? | Kunashir Island | ||||
| Tiatia | 2 | Kunashir Island | ||||
| Tiatia NNW and SSE flanks | 4 | Kunashir Island | ||||
| Mendeleev NE solfatara field | 1 | Kunashir Island | ||||
| Golovnin Eastern explosion crater | 1 | Kunashir Island, Kuril Islands | ||||
| Tiatia | 2 | Kunashir Island | ||||
The last volcanic eruption in Kunashir Island was from Tiatia volcano in 1981.
The first historically documented eruption occurred 1812 from Tiatia volcano.
Since 1812, Kunashir Island has seen at least 6 historically documented eruptions. This means that a volcano erupts on average every 35.5 years.
Kunashir Island is volcanically occasionally active: Since 1900, at least 1 volcanoes in Kunashir Island have been active.Since 1900, Kunashir Island has had 3 volcanic eruptions from 1 individual volcanoes. Volcanic eruptions have been recorded erupted during 3 years out of 126 as of now. This means, at least one volcano in Kunashir Island has been in eruption in one in 42 years on average. The last volcano to erupt in Kunashir Island was Tiatia volcano, which erupted in 1981, 44 years ago.
The largest eruption in Kunashir Island in historic times was from Tiatia volcano. It occurred in 1973. It ranks as a sub-plinian eruption with a magnitude 4 on the VEI (Volcanic Explosivity Index) scale.


