VOLCANOES
OF NORTHERN KURILES
| Ebeko volcano | |
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| Hazard synopsis | |||||||||||
Potential hazards are caused by ash plumes, ash falls, lahars, clouds of sulphuretted hydrogen and sulphureous gas. Ash plumes (up to 5 km ASL) of the volcano are dangerous to airport in Severo-Kurilsk and local airlines. Ash falls possible at: |
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| Monitoring status | |||||||||||
| Satellite, visual monitoring | |||||||||||
| Form and structure | |||||||||||
The
complicated volcano belongs to the type of “Somma-Vesuvy” and is
nested on the volcanic ridge of Vernadsky. Somma 3-5 km in diameter
is destroyed. The summit of the central cone extending in the meridional
direction has three adjoining craters with diameters 250-300 m and
depths 70-100 m. There are a lot of flank craters with centers of
fumarolic and hydrothermal activity. |
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| Volcanic activity | |||||||||||
| 1793 1833-34 (?) 1859 - an eruption of huge amount of sulphuric gas 1934-35 - the explosive phreato-magmatic eruption from the Middle crater. 1963 – a weak phreatic eruption 1965 - phreatic explosions 1967 - phreatic eruption in the Northern crater 1969 1987 - phreatic explosions (5-6 per day), emission of gas-steam 1989-90 - phreatic eruption in the Northern crater (up to hundreds of explosions a month) 1991 - gas-ash emission observed during a few days 1998 - phreatic explosion in the Northern crater 2005 - phreatic explosion in the Active crater 1946-59, 1975, 2004-2009 – continuous solfatara activity 
KVERT information releases. |
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| Location | |||||||||||
The
volcano is located in the northern part of Paramushir Island, 7 km
to the west-north-west from Severo-Kurilsk, in the northern part
of Vernadsky ridge. |
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| Composition | |||||||||||
| Andesit-basalts and andesits | |||||||||||
| Age | |||||||||||
| 2400 years |
