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Klyuchevskoy volcano
Stratovolcano 4835 m (15,863 ft)
Kamchatka, 56.06°N / 160.64°E
Current status: normal or dormant (1 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

Klyuchevskoy Volcano Volcanic Ash Advisory: VA EMISSIONS CONTINUING OBS VA DTG: 24/1120Z to 23000 ft (7000 m)

Thu, 24 Dec 2020, 12:15
12:15 PM | BY: VN
Satellite image of Klyuchevskoy volcano on 24 Dec 2020
Satellite image of Klyuchevskoy volcano on 24 Dec 2020
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 15 kts in E direction.
The full report is as follows:

FVFE01 at 12:00 UTC, 24/12/20 from RJTD
VA ADVISORY
DTG: 20201224/1200Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SUMMIT ELEV: 4754M
ADVISORY NR: 2020/424
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 24/1120Z
OBS VA CLD: SFC/FL230 N5605 E16038 - N5607 E16215 - N5555 E16311 -
N5543 E16310 - N5557 E16202 - N5603 E16039 MOV E 15KT
FCST VA CLD +6 HR: 24/1720Z SFC/FL230 N5544 E16828 - N5522 E16841 -
N5607 E16319 - N5602 E16032 - N5641 E16212
FCST VA CLD +12 HR: 24/2320Z SFC/FL230 N5455 E17456 - N5423 E17434 -

N5630 E16613 - N5558 E16042 - N5743 E16323
FCST VA CLD +18 HR: NO VA EXP
RMK: VA OF PREVIOUS VAA[FL230 EAST] IS NOT IDENTIFIABLE DUE TO MET
CLOUD OR HAS DISSIPATED.
NXT ADVISORY: 20201224/1800Z=


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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