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Klyuchevskoy volcano
Stratovolcano 4835 m (15,863 ft)
Kamchatka, 56.06°N / 160.64°E
Current status: erupting (4 out of 5) Klyuchevskoy volcano eruptions:
1697-98, 1720-21, 1727-31, 1737, 1740, 1762, 1767, 1770, 1772, 1785, 1787, 1788, 1789-90, 1791, 1807, 1812, 1813, 1819-22, 1829, 1840, 1848, 1852, 1853-54, 1865, 1877, 1878, 1879, 1882, 1883, 1890, 1896-97, 1890, 1896-97, 1898, 1904, 1907, 1909, 1910, 1911, 1913, 1915, 1922, 1923, 1925, 1926, 1929, 1931, 1932, 1935-36, 1937-39, 1944-1945, 1946, 1948, 1949, 1951, 1953, 1954, 1956, 1957, 1958, 1959, 1960-63, 1963-64, 1965-1966, 1967, 1968, 1969, 1970, 1971, 1971-73, 1974, 1977-80, 1981, 1982, 1982-83, 1984-85, 1986, 1986-90, 1991, 1992, 1992-93, 1994-95, 1996-97, 1998, 1999, 2000, 2002, 2002-04, 2005 - ongoing
Typical eruption style:
Dominantly explosive, strombolian and vulcanian activity, sometimes lava flows from fissure vents. At present in a phase of near-persistant activity.

Klyuchevskoy volcano tours:
Kamchatka - Land of Colors (volcano expedition to Kamchatka)
Satelite Image by (c) Google & NASA
Satelite Image by (c) Google & NASA

Klyuchevsky volcano news & activity updates

Klyuchevskoy volcano (Kamchatka): pyroclastic flow

Mon, 4 Jan 2021, 09:37
09:37 AM | BY: MARTIN
Pyroclastic flow descending over the Apakhonchich chute (image: Yury Demianchuk/volkstat.ru)
Pyroclastic flow descending over the Apakhonchich chute (image: Yury Demianchuk/volkstat.ru)
Strombolian activity from Klyuchevskoy volcano (image: Yury Demianchuk/volkstat.ru)
Strombolian activity from Klyuchevskoy volcano (image: Yury Demianchuk/volkstat.ru)
The lava flow on the S flank remains active (image: @tonyveco/twitter)
The lava flow on the S flank remains active (image: @tonyveco/twitter)
Very high thermal anomaly at Klyuchevskoy volcano (image: MIROVA)
Very high thermal anomaly at Klyuchevskoy volcano (image: MIROVA)
Yury Demianchuk from the volcanological observatory in Klyuchi (volkstat.ru) mentioned that on 2 January at about 17:20 local time a landslide occurred along the Apakhonchich chute. A pyroclastic flow generated phoenix clouds that rose 1 km above the the flanks and drifted SE.
The effusive-explosive eruption of the volcano has remained essentially unchanged and continues at moderate levels.
Strombolian activity continues from the summit crater accompanied with the lava flow on the southern flank.
According to MIROVA Detection System a very high thermal anomaly (1200 MW) was detected in the satellite images.
Source: Kamchatka Volcanic Eruption Response Team volcano activity update 4 January 2021
Previous news

NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large
NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large

Background:

Kliuchevskoi is Kamchatka's highest and most active volcano.  Since its origin about 6000 years ago, the beautifully symmetrical, 4835-m-high basaltic stratovolcano has produced frequent moderate-volume explosive and effusive eruptions without major periods of inactivity.  Kliuchevskoi rises above a saddle NE of sharp-peaked Kamen volcano and lies SE of the broad Ushkovsky massif.  More than 100 flank eruptions have occurred at Kliuchevskoi during the past roughly 3000 years, with most lateral craters and cones occurring along radial fissures between the unconfined NE-to-SE flanks of the conical volcano between 500 m and 3600 m elevation.  The morphology of its 700-m-wide summit crater has been frequently modified by historical eruptions, which have been recorded since the late-17th century.  Historical eruptions have originated primarily from the summit crater, but have also included numerous major explosive and effusive eruptions from flank craters.


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Source: Klyuchevsky information by the GVP (Smithsonian Institution)



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