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Report on Ebeko (Russia) — 17 June-23 June 2009


Ebeko

Smithsonian Institution / US Geological Survey
Weekly Volcanic Activity Report, 17 June-23 June 2009
Managing Editor: Sally Sennert.

Please cite this report as:

Global Volcanism Program, 2009. Report on Ebeko (Russia) (Sennert, S, ed.). Weekly Volcanic Activity Report, 17 June-23 June 2009. Smithsonian Institution and US Geological Survey.

Weekly Report (17 June-23 June 2009)

Ebeko

Russia

50.686°N, 156.014°E; summit elev. 1103 m

All times are local (unless otherwise noted)


KVERT reported that gas-and-steam plumes rose to an altitude of 1.7 km (5,600 ft) a.s.l. during 13-18 June. The Level of Concern Color Code remained at Yellow.

Geological Summary. The flat-topped summit of the central cone of Ebeko volcano, one of the most active in the Kuril Islands, occupies the northern end of Paramushir Island. Three summit craters located along a SSW-NNE line form Ebeko volcano proper, at the northern end of a complex of five volcanic cones. Blocky lava flows extend west from Ebeko and SE from the neighboring Nezametnyi cone. The eastern part of the southern crater contains strong solfataras and a large boiling spring. The central crater is filled by a lake about 20 m deep whose shores are lined with steaming solfataras; the northern crater lies across a narrow, low barrier from the central crater and contains a small, cold crescentic lake. Historical activity, recorded since the late-18th century, has been restricted to small-to-moderate explosive eruptions from the summit craters. Intense fumarolic activity occurs in the summit craters, on the outer flanks of the cone, and in lateral explosion craters.

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)