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Bezymianny volcan

Mise à jour: 7 oct.. 2022 00:48 GMT -
stratovolcan 2882 m / 9,455 ft
Centre (Kamtchatka), 55.98°N / 160.59°E
Condition actuelle: Activité petite ou avertissement éruption imminente (3 sur 5)
Last update: 26 août 2022 (Volcanic Ash Advisory)

Bezymianny ("unnamed") was considered extinct until it erupted violently in 1955-56, after a slumber of probably 1000 years. It is one of the most active volcanoes in Kamchatka. The eruption followed a massive flank failure (similar to Mt. St. Helens eruption in 1980) which removed a 0.5 sq km sector of the volcano.

Montrer carte interactive
Style éruptif tipique: Explosive
Eruptions du volcan Bezymianny: 2017-ongoing, 2016, 2012, 2010, 2009, 2008, 2007, 2000-05, 1998, 1997, 1996-97, 1994-95, 1993-94, 1992, 1991, 1990, 1989, 1986-88, 1986, 1985, 1984, 1981-83, 1980, 1980, 1979, 1979, 1978, 1977, 1976, 1971-74, 1965-70, 1964, 1964, 1963, 1962, 1961, 1961, 1961, 1960, 1959, 1958-59, 1958, 1958, 1957, 1955-57

Derniers séismes proches

HeureMag. / ProfondeurDistance/Lieu
lundi, 26 septembre 2022 GMT (1 séisme)
27 sept. 2022 06:02 (GMT +12) (26 sept.. 2022 18:02 GMT)
4.8

186 km
47 km (29 mi)
27 km à l'est de Atlasovo, Kraï de Kamtchatka, Russie

Introduction

The present-day Bezymianny volcano, lying next to its massive sisters Kamen and Kliuchevskoi, is a young and relatively small volcano only about 4700 years old. It was formed on top of an older volcano built between about 11,000-7000 years ago. 3 periods of intensified activity have been recognized in the geologic history during the past 3000 years. The present-day activity started with the eruption in 1955-56 after a 1000 year interval of repose. At the beginning of the eruption, the summit and a large sector of its flank failed and resulted in a catastrophic landslide followed by a powerful blast. The event left a large horseshoe-shaped crater. Since then, the volcano has been one of Kamchatka's most active. A new lava dome has been growing inside the 1956 crater, frequently producing explosive activity and pyroclastic flows. As of 2011, the lava dome has already largely filled the 1956 crater.

Bezymianny Photos



Eruptions of Bezymianny since 1955
Lava dome growth, large explosions with ash columns up to 10-15 km high, and pyroclastic flows characterize the activity during this (ongoing) period. ...plus

See also: Sentinel hub | Landsat 8 | NASA FIRMS

Voyages au volcan Bezymianny

Kamchatka (Russia)
Kamchatka - Land of Colors
volcano expedition to Kamchatka
16-19 days - Facile-Modérée
Prix 0 €
3-21 sept. 2023
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