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Smirnov

Ruruidake [Smirnov]

Stratovolcano · Japan - administered by Russia · 1447m

Ruruidake is composed of the cone on the horizon and the gently sloping Smirnov to the left. It is located at the NW tip of Kunashir Island. Smirnov has been extensively eroded by glaciers and contains young pyroclastic flow deposits and lava domes. The late-Pleistocene volcano has an active fumarole field on its western flank. The crater in the foreground is the northern crater of the 1973 eruption of Chachadake volcano to the SE.
Ruruidake is composed of the cone on the horizon and the gently sloping Smirnov to the left. It is located at the NW tip of Kunashir Island. Smirnov has been extensively eroded by glaciers and contains young pyroclastic flow deposits and lava domes. The late-Pleistocene volcano has an active fumarole field on its western flank. The crater in the foreground is the northern crater of the 1973 eruption of Chachadake volcano to the SE. · Photo: Copyrighted photo by Yoshihiro Ishizuka, 1999 (Japanese Quaternary Volcanoes database, RIODB, http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/index.htm and Geol Surv Japan, AIST, http://www.gsj.jp/). · Wikimedia Commons
Type
Stratovolcano
Country
Japan - administered by Russia
Region
Northwestern Pacific Volcanic Regions / Kuril Volcanic Arc
Elevation
1447m
Coordinates
44.454, 146.140
Last eruption
Unknown
Tectonic setting
Subduction zone / Intermediate crust (15-25 km)
Landform
Composite
Major rock type
Andesite / Basaltic Andesite
Geological summary

Ruruidake is a late-Pleistocene andesitic-to-dacitic volcanic complex on the NW tip of Kunashir Island in the southern Kuriles, NW of Chachadake [Tiatia} volcano. About 2.5 km SSW of the Ruruidake peak, the gently sloping Smirnov edifice partially retains a constructional form, but the southern side has been heavily eroded by glaciers, exposing its Tertiary basement. A wide glacial trough on the SE flank of Smirnov contains a pyroclastic cone at its head that fed a 4 km lava flow. Another pyroclastic cone is located at the base of the trough near the terminus of the lava flow. Two fresh-looking lava domes of Holocene age also lie within the glacial valley to the north.

From Wikipedia

Smirnov is a volcano located at the northwestern end of Kunashir Island, Kuril Islands, Russia. It consists of two summits: Smirnov and Rurui stratovolcanoes. Rurui is the higher summit.

Wikipedia · CC BY-SA · Read full article →

Eruption history

Detailed timeline

No eruption records available.

External links

⚠ For reference only. Not for emergency response.