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Klyuchevskoy volcano (Central Kamchatka, Russia) - Smithsonian / USGS Weekly Volcanic Activity Report for 23 November-29 November 2022 (New Activity / Unrest)

mer., 30 nov. 2022, 15:00
15:00 PM | AUTEUR : VN
On 24 November KVERT reported that the Strombolian eruption that had begun at Klyuchevskoy on 16 November was ongoing. Lava fountaining at the summit was visible and a thermal anomaly over the summit was identified in satellite images during 17-20 and 24 November. The Aviation Color Code remained at Yellow (the second lowest level on a four-color scale).

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)
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From: Global Volcanism Program, 2022. Report on Klyuchevskoy. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 23 November-29 November 2022. Smithsonian Institution and US Geological Survey.

Actualités précédentes

ven., 25 nov. 2022, 04:42

Klyuchevskoy volcano (Kamchatka): heat anomaly within summit vent continues, alert status raised to yellow

Night-time glowing steam from the summit vent at Klyuchevskoy volcano on 20 Nov (image: Yu. Demyanchuk)
Weak strombolian activity at the volcano continues. ... Read all
mer., 23 nov. 2022, 15:00

Klyuchevskoy volcano (Central Kamchatka, Russia) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 November-22 November 2022 (New Activity / Unrest)

KVERT reported that a thermal anomaly over Klyuchevskoy was first identified on 13 November and was visible daily through 20 November. An explosive Strombolian eruption began at 2330 local time on 17 November, the same day that the thermal anomaly intensified. Gas-and-steam plumes drifted SE. ... Read all
Montrer plus
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)



Stratovolcano 4835 m (15,863 ft)
Kamchatka, 56.06°N / 160.64°E
Condition actuelle: normal / en sommeil (1 sur 5) Eruptions du volcan Klyuchevskoy:
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
Style éruptif tipique
Dominée par explosif, strombolienne et l'activité vulcanienne, parfois coulées de lave de fissures-évents. À l'heure actuelle dans une phase d'activité près de persistants.

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