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Report on Chirinkotan (Russia) — 15 January-21 January 2014


Chirinkotan

Smithsonian Institution / US Geological Survey
Weekly Volcanic Activity Report, 15 January-21 January 2014
Managing Editor: Sally Sennert.

Please cite this report as:

Global Volcanism Program, 2014. Report on Chirinkotan (Russia) (Sennert, S, ed.). Weekly Volcanic Activity Report, 15 January-21 January 2014. Smithsonian Institution and US Geological Survey.

Weekly Report (15 January-21 January 2014)

Chirinkotan

Russia

48.98°N, 153.48°E; summit elev. 724 m

All times are local (unless otherwise noted)


SVERT reported that a thermal anomaly over Chirinkotan was observed in satellite images on 15 and 17 January. Gas-and-steam emissions were also observed on 17 January. Cloud cover obscured views on the other days during 14-20 January. The Aviation Color Code remained at Yellow.

Geological Summary. The small, mostly unvegetated 3-km-wide island of Chirinkotan occupies the far end of an E-W volcanic chain that extends nearly 50 km W of the central part of the main Kuril Islands arc. It is the emergent summit of a volcano that rises 3000 m from the floor of the Kuril Basin. A small 1-km-wide caldera about 300-400 m deep is open to the SW. Lava flows from a cone within the breached crater reached the shore of the island. Historical eruptions have been recorded since the 18th century. Lava flows were observed by the English fur trader Captain Snow in the 1880s.

Source: Sakhalin Volcanic Eruption Response Team (SVERT)