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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: 24/0520Z to 23000 ft (7000 m)

Thu, 24 Dec 2020, 06:15
06:15 AM | BY: VN
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 20 kts in SE direction.
The full report is as follows:

FVFE01 at 06:00 UTC, 24/12/20 from RJTD
VA ADVISORY
DTG: 20201224/0600Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SUMMIT ELEV: 4754M
ADVISORY NR: 2020/423
INFO SOURCE: HIMAWARI-8 KBGS
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 24/0520Z
OBS VA CLD: SFC/FL230 N5639 E16521 - N5653 E16754 - N5742 E16923 -
N5711 E16947 - N5623 E16757 - N5620 E16523 MOV SE 20KT SFC/FL230
N5611 E16035 - N5635 E16137 - N5621 E16149 - N5558 E16114 - N5558
E16043 MOV E 20KT
FCST VA CLD +6 HR: 24/1120Z SFC/FL240 N5803 E17259 - N5634 E17256 -
N5519 E17153 - N5521 E16946 - N5622 E16856 - N5645 E17039 - N5758
E17132 SFC/FL230 N5621 E16508 - N5604 E16552 - N5540 E16535 - N5543
E16332
FCST VA CLD +12 HR: 24/1720Z SFC/FL220 N5523 E17056 - N5501 E17101
-
N5513 E16725 - N5551 E16906
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA[FL230 EASTERN PART] OBSCURED BY MET CLOUD.
NXT ADVISORY: 20201224/1200Z=


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.


---


Source: Klyuchevsky information by the GVP (Smithsonian Institution)



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