Sarychev Peak (, ''Vulkan Sarycheva'', variants: ''Fuyō Mountain'', ''Fuyō-san'', ''Fuyō-yama'', ''Fuyo-zan'', ''Huyō San'', ''Matsuwa-fuji'') is an active

stratovolcano A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with ...

covering almost the entirety of Matua Island in the

Kuril Islands The Kuril Islands or Kurile Islands are a volcanic archipelago administered as part of Sakhalin Oblast in the Russian Far East. The islands stretch approximately northeast from Hokkaido in Japan to Kamchatka Peninsula in Russia, separating the ...

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

. It is a young, highly symmetrical stratovolcanic cone. The height of the plume during the 2009 eruption was estimated at .

History

The peak was named after admiral

Gavril Sarychev Gavril (also Gavriil) Andreyevich Sarychev () (1763 — 11 August ( O.S. 30 July) 1831), spelt "Sarichef" in the United States, was a Russian navigator, hydrographer, admiral (1829) and Honorable Member of the Russian Academy of Sciences (1809) ...

of the

Imperial Russian Navy The Imperial Russian Navy () operated as the navy of the Russian Tsardom and later the Russian Empire from 1696 to 1917. Formally established in 1696, it lasted until being dissolved in the wake of the February Revolution and the declaration of ...

2009 eruption

The volcano erupted June 11–21, 2009, sending out ash plumes. As the volcano is near some of the main air routes between East Asia and North America, there was some disruption to air traffic. During an early stage of the eruption, on June 12, 2009, the

International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...

passed overhead and astronauts photographed the event. A hole in the overhead clouds, possibly caused by the

shock wave In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like an ordinary wave, a shock wave carries energy and can propagate through a me ...

from the explosion, allowed a clear view of the plume and

pyroclastic flow A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average speeds of b ...

down the sides of the mountain. A cap-like pileus cloud is visible atop the rising column. Sarychev Peak previously erupted in 1760, 1805, 1879, 1923, 1927, 1928, 1930, 1932, 1946, 1954, 1960, 1965, 1976, 1986 and 1989.

Gallery

File:Sarychev Eruption Generates Large Cloud of Sulfur Dioxide.png, The

sulphur dioxide Sulfur dioxide (IUPAC-recommended spelling) or sulphur dioxide (traditional Commonwealth English) is the chemical compound with the formula . It is a colorless gas with a pungent smell that is responsible for the odor of burnt matches. It is r ...

cloud generated by the eruption on 12 June 2009 (in Dobson units). Image:Sarychev Peak.jpg, A still image of the 2009 eruption on June 12.

References

External links

* Matua (island) Stratovolcanoes of Russia Active volcanoes VEI-4 volcanoes 21st-century volcanic events Articles containing video clips Holocene stratovolcanoes {{SakhalinOblast-geo-stub

History

2009 eruption

Gallery

See also

References

External links