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Izu-Oshima: eruption history
Elevation758 m
TypeStratovolcano
Confirmed eruptions99#3 of 105 in country
Latest eruption1990-10-04
Largest VEI4
Location34.72, 139.39
Eruptions per century (since 1500)
1
7
4
6
35
0
By VEI
5
24
17
19
6
Eruptions (latest first, up to 60)
| Start | VEI | End | Area |
|---|---|---|---|
| 1990-10-04 | 2 | 1990 | Mihara-yama (1987 summit crater) |
| 1987-11-16 | 2 | 1988 | Mihara-yama |
| 1986-11-15 | 3 | 1986 | Mihara-yama, N part and NW of caldera |
| 1974-02-28 | 1 | 1974 | Mihara-yama |
| 1971-04-05 | 1 | 1971 | Mihara-yama |
| 1970-06-30 | 1 | 1970 | Mihara-yama |
| 1970-01-26 | 1 | 1970 | Mihara-yama |
| 1969-01-19 | 1 | 1969 | Mihara-yama |
| 1968-07-28 | 1 | 1968 | Mihara-yama |
| 1968-01-19 | 1 | 1968 | Mihara-yama |
| 1967-05-16 | 1 | 1967 | Mihara-yama |
| 1965-11-25 | 1 | 1966 | Mihara-yama |
| 1962-01-16 | 1 | 1965 | Mihara-yama |
| 1959-10-16 | 1 | 1960 | Mihara-yama |
| 1959-01-16 | 1 | 1959 | Mihara-yama |
| 1958-04-17 | 1 | 1958 | Mihara-yama |
| 1957-08-16 | 1 | 1957 | Mihara-yama |
| 1956-01-03 | 1 | 1956 | Mihara-yama |
| 1953-10-05 | 1 | 1954 | Mihara-yama |
| 1950-07-16 | 2 | 1951 | Mihara-yama, south rim |
| 1940-08-18 | 1 | 1940 | Mihara-yama |
| 1939-09-01 | 1 | 1939 | Mihara-yama |
| 1939-02-16 | 1 | 1939 | Mihara-yama |
| 1938-08-11 | 1 | 1938 | Mihara-yama |
| 1937-07-17 | 0 | 1937 | Mihara-yama |
| 1935-04-26 | 0 | 1935 | Mihara-yama |
| 1934-04-15 | 0 | 1934 | Mihara-yama |
| 1933-10-14 | 0 | 1933 | Mihara-yama |
| 1928-08-07 | 2 | 1928 | Mihara-yama |
| 1922-12-08 | 1 | 1923 | Mihara-yama |
| 1919-05-18 | 0 | 1919 | Mihara-yama |
| 1915-10-10 | 2 | 1915 | Mihara-yama |
| 1914-05-15 | 2 | 1914 | Mihara-yama |
| 1912-02-23 | 1 | 1913 | Mihara-yama |
| 1910-12-16 | 1 | – | Mihara-yama |
| 1876-12-27 | 2 | 1877 | Mihara-yama |
| 1870-07-02 | 2 | – | Mihara-yama |
| 1846-07-02 | 2 | – | Mihara-yama |
| 1822-07-02 | 2 | 1824 | Mihara-yama |
| 1821-07-02 | 3 | – | |
| 1803-09-26 | 2 | 1803 | Mihara-yama |
| 1792 | 2 | – | Mihara-yama |
| 1789 | 2 | – | Mihara-yama |
| 1783 | 2 | 1786 | Mihara-yama |
| 1777-08-31 | 3 | 1779 | Mihara-yama & flanks |
| 1695-04-12 | – | – | |
| 1684-02-14 | 3 | 1690 | |
| 1637-08-26 | – | 1638 | |
| 1634 | – | – | |
| 1623 | – | – | |
| 1612-10-15 | – | – | |
| 1600-10 | – | – | |
| 1552-10-07 | 3 | 1552 | |
| 1471 | 2 | – | |
| 1442-08 | – | 1443 | |
| 1421-05-14 | 4 | – | Summit, S flank |
| 1416-09-02 | 2 | 1417 | |
| 1415-05-21 | – | – | |
| 1338-09-15 | 3 | 1338 | |
| 1307 | 3 | – | NW flank |
Nearby volcanoes
| Volcano | Distance | Eruptions |
|---|---|---|
| Toshima | 25 km | 1 |
| Izu-Tobu | 34 km | 6 |
| Niijima | 38 km | 5 |
| Kozushima | 60 km | 4 |
| Hakoneyama | 66 km | 8 |
| Miyakejima | 71 km | 39 |
| Fujisan | 93 km | 58 |
| Mikurajima | 96 km | 2 |
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.