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Okmok: eruption history
Elevation1,073 m
TypeShield
Confirmed eruptions18#18 of 165 in country
Latest eruption2008-07-12
Largest VEI6
Location53.43, -168.13
Eruptions per century (since 1500)
0
0
0
5
10
1
By VEI
1
5
6
2
1
Eruptions (latest first, up to 60)
| Start | VEI | End | Area |
|---|---|---|---|
| 2008-07-12 | 4 | 2008 | NE caldera floor |
| 1997-02-11 | 3 | 1997 | SW part of caldera (Cone A) |
| 1986-11-18 | 2 | 1988 | SW part of caldera (Cone A) |
| 1983-07-08 | 2 | 1983 | SW part of caldera (Cone A) |
| 1981-03-24 | 3 | 1981 | SW part of caldera (Cone A) |
| 1960-10-15 | 3 | 1961 | SW part of caldera (Cone A) |
| 1958-08-14 | 3 | 1958 | SW part of caldera (Cone A) |
| 1945-06-04 | 2 | 1945 | SW part of caldera (Cone A) |
| 1943-06-16 | 1 | – | SW part of caldera (Cone A) |
| 1938-07-02 | – | – | SW part of caldera (Cone A) |
| 1931-03-21 | 2 | 1931 | Cone A? |
| 1899-07-02 | 3 | – | SW part of caldera (Cone A) |
| 1878-07-02 | 2 | – | Cone A? |
| 1824-07-02 | – | 1830 | Cone B? |
| 1817-03-01 | 3 | 1820 | Cone E? or B? |
| 1805-07-02 | – | – | |
| 100 BCE | 6 | – | Okmok II caldera |
| 6310 BCE | 4 | – |
Nearby volcanoes
| Volcano | Distance | Eruptions |
|---|---|---|
| Recheschnoi | 41 km | 0 |
| Vsevidof | 50 km | 3 |
| Bogoslof | 56 km | 9 |
| Makushin | 95 km | 19 |
| Uliaga | 116 km | 0 |
| Kagamil | 117 km | 1 |
| Tana | 128 km | 0 |
| Cleveland | 138 km | 22 |
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.