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Report on Ebeko (Russia) — 6 March-12 March 2024


Ebeko

Smithsonian Institution / US Geological Survey
Weekly Volcanic Activity Report, 6 March-12 March 2024
Managing Editor: Sally Sennert.

Please cite this report as:

Global Volcanism Program, 2024. Report on Ebeko (Russia) (Sennert, S, ed.). Weekly Volcanic Activity Report, 6 March-12 March 2024. Smithsonian Institution and US Geological Survey.

Weekly Report (6 March-12 March 2024)

Ebeko

Russia

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

All times are local (unless otherwise noted)


KVERT reported that moderate explosive activity was ongoing at Ebeko during 29 February-6 March. According to volcanologists in Severo-Kurilsk (Paramushir Island, about 7 km E), explosions on 29 February and 1 and 6 March generated ash plumes that rose as high as 3 km (10,000 ft) a.s.l. and drifted NW, E, and SE. Ashfall was reported in Severo-Kurilsk on 6 March. The Aviation Color Code remained at Orange (the third level on a four-color scale). Dates are UTC; specific events are in local time where noted.

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)