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Kikai: eruption history
Elevation704 m
TypeCaldera
Confirmed eruptions28#13 of 105 in country
Latest eruption2025-12-29
Largest VEI7
Location30.79, 130.31
Eruptions per century (since 1500)
0
0
0
0
4
11
By VEI
8
8
2
1
Eruptions (latest first, up to 60)
| Start | VEI | End | Area |
|---|---|---|---|
| 2025-12-29 | 1 | 2025 | Iodake Crater |
| 2024-09-01 | 1 | 2024 | Satsuma Iwo-jima (Iodake Crater) |
| 2020-10-06 | 1 | 2020 | |
| 2020-04-29 | 1 | 2020 | |
| 2019-11-02 | 2 | 2019 | |
| 2013-06-04 | 1 | 2013 | Iodake |
| 2004-03-05 | 2 | 2004 | Iwo-dake |
| 2003-02-16 | 2 | 2003 | Iwo-dake |
| 2002-05-11 | 2 | 2002 | Iwo-dake |
| 2000-10-16 | 1 | 2001 | Iwo-dake |
| 2000-01-16 | 2 | 2000 | Iwo-dake |
| 1998-04-25 | 2 | 1999 | Iwo-dake |
| 1997-07-02 | 1 | – | Iwo-dake |
| 1988-01-18 | 1 | 1988 | Iwo-dake |
| 1934-09-19 | 2 | 1935 | 2 km east of Tokara-Iwo-Jima |
| 1430 | – | – | Iwo-dake |
| 1340 | – | – | Iwo-dake |
| 1030 | – | – | Iwo-dake |
| 1010 | – | – | Iwo-dake |
| 830 | – | – | Iwo-dake |
| 750 | 3 | – | Iwo-dake |
| 390 | 3 | – | Iwo-dake |
| 280 BCE | – | – | Iwo-dake |
| 1090 BCE | 2 | – | Inamura-dake |
| 1830 BCE | – | – | Inamura-dake |
| 2450 BCE | – | – | Old Iwo-dake |
| 3250 BCE | – | – | Old Iwo-dake |
| 4350 BCE | 7 | – | Kikai caldera |
Nearby volcanoes
| Volcano | Distance | Eruptions |
|---|---|---|
| Kuchinoerabujima | 40 km | 29 |
| Ata | 48 km | 23 |
| Aira | 93 km | 48 |
| Kuchinoshima | 99 km | 4 |
| Yonemaru-Sumiyoshiike | 112 km | 2 |
| Nakanoshima | 112 km | 1 |
| Kirishimayama | 137 km | 79 |
| Suwanosejima | 140 km | 24 |
Eruption records from the Smithsonian Global Volcanism Program; older eruptions may be missing. VEI = Volcanic Explosivity Index (0–8). For current alerts, check the official agency.