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Avachinsky Volcano

Updated: 28 mars. 2024 11:30 GMT -
Stratovolcano 2741 m (8,993 ft)
Kamtchatka (Russie), 53.26°N / 158.83°E
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 8 déc. 2021 (increased steaming, hot gas emissions)

Avachinsky towering above Petropavlovsk, Kamchatka's largest city, is one of Kamchatka's most active volcanoes. It typically erupts every few years to decades, often producing ash flows and lahars.

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Style éruptif tipique: Explosive
Eruptions du volcan Avachinsky: 1737 (produced tsunami), 1772, 1779, 1789, 1827, 1828, 1837, 1851, 1853, 1854, 1855, 1878, 1881, 1894-95, 1901, 1909, 1926-27, 1938, 1945, 1991, 2001, 2008 (ongoing)

Derniers séismes proches

No recent earthquakes
HeureMag. / ProfondeurDistance / Lieu

Introduction

Avachinsky began to form during the middle or late Pleistocene and is flanked to the SE by the parasitic volcano Kozelsky, which has a large crater breached to the NE. Avachinsky has a large horseshoe-shaped caldera, breached to the SW, that was formed when a major debris avalanche about 30,000-40,000 years ago buried an area of about 500 sq km to the south underlying the city of Petropavlovsk. Reconstruction of the volcano took place in two stages, the first of which began about 18,000 years before present (BP), and the second 7000 years BP. Most eruptive products have been explosive, with pyroclastic flows and hot lahars being directed primarily to the SW by the breached caldera, although relatively short lava flows have been emitted. The frequent historical eruptions of Avachinsky have been similar in style and magnitude to previous Holocene eruptions.
Source: Global Volcanism Program

Avachinsky Volcano Photos

Latest satellite images

Avachinsky satellite image sat1Avachinsky satellite image sat2
Avachinsky Volcano Tours
Kamchatka (Russia)
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mar., 10 déc. 2019, 16:25

Avachinsky volcano (Kamchatka): increased activity, weak incandescence visible at night

Incandescence at Avachinsky volcano at night (8 Dec 2019)
The volcano is showing signs of reawakening: an increase in degassing and fumarole temperature has been noted during the past days. ... Read all
ven., 2 août 2013, 05:58

Avachinsky volcano (Kamchatka): deep earthquake swarm

Location of recent quakes under Avachinsky (blue dots) (EMSD)
A (so far small) seismic crisis has started about a week ago. The earthquake hypocenters are currently located at depths around 30 km SE of the volcano. ... Read all

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