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Ebeko vulkaan

somma volcano 1156 m / 3,793 ft
Paramushir Island, Kuril Islands, 50.68°N / 156.02°E
Current status: losbarstend (4 out of 5)
Ebeko webcams / Live-gegevens | Reports
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Last update: 26 Sep 2020 (Volcanic Ash Advisory)
Typical eruption style: explosive
Ebeko vulkaanuitbarstingen: 2016-ongoing, 2009, 2005, 1991, 1989-90, 1987-88, 1971, 1969, 1967, 1965-66, 1963, 1934-35, 1859, 1793 Geen recente aardbevingen
TijdMag. / DiepteAfstandLocatie
Ebeko is one of the most active volcanoes in the Kurile Islands, located in northern Paramushir Island south of Kamchatka.
Ebeko volcano has a flat top with 3 summit craters aligned SSW-NNE. The eastern part of the southern crater contains a large boiling spring. The middle crater has a hot lake with solfataras along its shore. The lower northern crater has a small, cold lake and is separated from the middle crater by a narrow ridge.
Historical activity has been recorded since the late 18th century and consisted in small to moderate explosive eruptions from the summit craters. Intense fumarolic activity occurs in the summit craters of Ebeko and on the outer flanks of the cone, as well as inside lateral explosion craters.

Background:

Ebeko volcano is at the northern end of a complex of 5 volcanic cones. Blocky lava flows extend west from Ebeko and SE from the neighboring Nezametnyi cone.
Ebeko volcano with its prominent fumaroles, solfataras, hot springs etc. has a very intense, interesting and complex hydrothermal system which is the subject to a large number of scientific studies. During heightened periods of activity, the chemical characteristics of fluids appear to change, such as decreasing rations of S/C, S/Cl, F/Cl and increasing ratios of H2S/SO2. It is hypothesized that there is a sea-water aquifer above the shallow magma chamber at Ebeko volcano, which sometimes allows magmatic intrusions to ascend to the surface through the aquifers without giving much seismic signals
Sources:
GVP Ebeko volcano information
Menyailova et al (1985) "Results of geochemical monitoring of the activity of Ebeko volcano (Kurile Islands) used for eruption prediction", Journal of Geodynamics, v. 3 (3-4), pp. 259-274)

Ebeko Foto's:

Distant view of an ash plume from Ebeko volcano rising to approx. 2 km altitude. (Photo: Tom Pfeiffer)
Distant view of an ash plume from Ebeko volcano rising to approx. 2 km altitude. (Photo: Tom Pfeiffer)
Ash plume from an eruption of Ebeko volcano (Photo: Tom Pfeiffer)
Ash plume from an eruption of Ebeko volcano (Photo: Tom Pfeiffer)
River bed draining from Ebeko volcano's complex towards the beach (Photo: Tom Pfeiffer)
River bed draining from Ebeko volcano's complex towards the beach (Photo: Tom Pfeiffer)
 


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