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Russia · Stratovolcano

Sarychev Peak

Type
Stratovolcano
Elevation
1496m
Last eruption
2021
Sarychev Peak
Photo: User:Eliezg · CC BY-SA 3.0 · Wikimedia Commons
Type
Stratovolcano
Country
Russia
Region
Northwestern Pacific / Kuril Volcanic Arc
Elevation
1496m
Coordinates
48.092, 153.200
Last eruption
2021
Tectonic setting
Subduction zone / Intermediate crust (15-25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite
Geological summary

Sarychev Peak, one of the most active volcanoes of the Kuril Islands, occupies the NW end of Matua Island in the central Kuriles. The andesitic central cone was constructed within a 3-3.5-km-wide caldera, whose rim is exposed only on the SW side. A dramatic 250-m-wide, very steep-walled crater with a jagged rim caps the volcano. The substantially higher SE rim forms the 1496 m high point of the island. Fresh-looking lava flows, prior to activity in 2009, had descended in all directions, often forming capes along the coast. Much of the lower-angle outer flanks of the volcano are overlain by pyroclastic-flow deposits. Eruptions have been recorded since the 1760s and include both quiet lava effusion and violent explosions. Large eruptions in 1946 and 2009 produced pyroclastic flows that reached the sea.

From Wikipedia

Sarychev Peak is an active stratovolcano covering almost the entirety of Matua Island in the Kuril Islands, Russia. It is a young, highly symmetrical stratovolcanic cone. The height of the plume during the 2009 eruption was estimated at 12 to 18 kilometres.

Wikipedia · CC BY-SA · Read full article →

Eruption history

22 recordedGlossary
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
1765~1791 · 1 eruptions · max VEI 21791~1816 · 1 eruptions · max VEI ?1867~1893 · 1 eruptions · max VEI 01918~1944 · 6 eruptions · max VEI 31944~1969 · 4 eruptions · max VEI 41969~1995 · 3 eruptions · max VEI 21995~2020 · 6 eruptions · max VEI 417651816189319441995

Detailed timeline

  1. 2020VEI 1Observed
    2020-02-29 – 2021-11-26
  2. 2019VEI 2Observed
    2019-05-16 – 2019-10-07
  3. 2018VEI 2Observed
    2018-09-08 – 2018-10-15
    Summit crater
  4. 2017VEI 2Observed
    2017-10-12 – 2017-11-13
    Summit crater and NW flank
  5. 2010VEI 2Observed
    2010-09-20 – 2010-09-20
  6. 2009VEI 4Observed
    2009-06-11 – 2009-07-16
  7. 1989VEI 1Observed
    1989-01-13 – 1989-01-14
  8. 1986VEI 1Observed
    1986-09-01 – end unknown
  9. 1976VEI 2Observed
    1976-09-23 – 1976-10-02
  10. 1965VEI 2Observed
    1965-12-09 – 1965-12-09
  11. 1960VEI 3Observed
    1960-08-30 – 1960-08-30
  12. 1954VEI 2Observed
    1954-08-16 – 1954-10-16
  13. 1946VEI 4Observed
    1946-11-09 – 1946-11-19
  14. 1932VEI ?Method not stated
    1932-07-02 – end unknown
  15. 1930VEI 3Observed
    1930-02-13 – 1930-02-13
  16. 1928VEI 2Observed
    1928-02-14 – end unknown
  17. 1927VEI 2Observed
    1927-07-02 – end unknown
  18. 1924VEI 1Observed
    1924-02-15 – end unknown
    Near Toporkovyi islet
  19. 1923VEI 2Observed
    1923-01-17 – 1923-01-22
  20. 1879VEI 0Observed
    1879-01-15 – end unknown
  21. 1805VEI ?Observed
    1805-07-02 – end unknown
  22. 1765 (±5 yrs)VEI 2Observed
    1765 – end unknown

Nearby volcanoes

External links

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