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Maly Semyachik: eruption history
Elevation1,527 m
TypeCaldera
Confirmed eruptions23#11 of 95 in country
Latest eruption1952-12-05
Largest VEI4
Location54.13, 159.67
Eruptions per century (since 1500)
1
0
0
3
2
0
By VEI
4
1
1
Eruptions (latest first, up to 60)
| Start | VEI | End | Area |
|---|---|---|---|
| 1952-12-05 | 2 | – | Ceno-Semiachik (Toitsky Crater) |
| 1945-09-16 | 2 | 1946 | Ceno-Semiachik (Toitsky Crater) |
| 1852-04-15 | 2 | 1852 | Ceno-Semiachik (Troitsky Crater) |
| 1851-09-16 | 2 | – | Ceno-Semiachik (Troitsky Crater) |
| 1804-07-02 | 3 | – | Ceno-Semiachik (Troitsky Crater) |
| 1550 | 4 | – | Ceno-Semiachik (Crater VI--Troitsky) |
| 1400 | – | – | Ceno-Semiachik (Crater V) |
| 550 BCE | – | – | Ceno-Semiachik |
| 650 BCE | – | – | Ceno-Semiachik |
| 850 BCE | – | – | Ceno-Semiachik |
| 1800 BCE | – | – | Ceno-Semiachik (SW flank) |
| 2250 BCE | – | – | Ceno-Semiachik |
| 2450 BCE | – | – | Ceno-Semiachik (Crater IV) |
| 3500 BCE | – | – | Ceno-Semiachik flank (Obmanuvshy) |
| 4500 BCE | – | – | Ceno-Semiachik flank (Yushny cone) |
| 4650 BCE | – | – | Ceno-Semiachik |
| 5050 BCE | – | – | Ceno-Semiachik |
| 5450 BCE | – | – | Ceno-Semiachik |
| 5750 BCE | – | – | Ceno-Semiachik |
| 5850 BCE | – | – | Ceno-Semiachik |
| 6150 BCE | – | – | Ceno-Semiachik |
| 6950 BCE | – | – | Meso-Semiachik east flank (Vostochny) |
| 7550 BCE | – | – | Meso-Semiachik |
Nearby volcanoes
| Volcano | Distance | Eruptions |
|---|---|---|
| Karymsky | 18 km | 53 |
| Akademia Nauk | 23 km | 4 |
| Bolshoi Semiachik | 30 km | 2 |
| Uzon | 44 km | 4 |
| Taunshits | 45 km | 2 |
| Kikhpinych | 54 km | 8 |
| Krasheninnikov | 64 km | 32 |
| Zhupanovsky | 70 km | 16 |
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.