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The Karpinsky group on southern Paramushir Island consists of three Holocene andesitic volcanic centers at the southern end of the Karpinsky Ridge. A postulated caldera is thought to have been primarily excavated by glaciers (Gorshkov, 1970). The NE cone has a crater breached to the NW that contains a small horseshoe-shaped cone and a vigorous fumarole along the NE crater wall. A lava flow originating from the cone traveled 7 km to the SE. The 1326-m southern cone forms the high point of the Karpinsky massif and fed lava flows to the SE and W. The NW cone displays hot springs and sulfur cones containing liquid sulfur that is occasionally ejected outward. A minor ash ejection following an earthquake in 1952 marked the only historical eruption.
Summary of Holocene eruption dates and Volcanic Explosivity Indices (VEI).
|Start Date||Stop Date||Eruption Certainty||VEI||Evidence||Activity Area or Unit|
|1952 Nov 5||Unknown||Confirmed||1||Historical Observations||East side of Karpinsky Ridge|
This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.
|Hakuen | Karpinskii | Hakuen-zan|
|The Karpinsky group, seen here from the south, consists of three Holocene volcanic centers at the southern end of the Karpinsky Ridge in the southern part of Paramushir Island. The 1345-m-high southern cone forms the high point of the Karpinsky massif and fed lava flows to the SE and west. The NW cone displays hot springs and sulfur cones containing boiling liquid sulfur that is occasionally sprayed outward. A minor ash ejection following an earthquake in 1952 marked the only historical eruption of the Karpinsky group.
Photo by Yoshihiro Ishizuka, 2000 (Hokkaido University).
The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title.
Gorshkov G S, 1958. Kurile Islands. Catalog of Active Volcanoes of the World and Solfatara Fields, Rome: IAVCEI, 7: 1-99.
Gorshkov G S, 1970. Volcanism and the Upper Mantle; Investigations in the Kurile Island Arc. New York: Plenum Publishing Corp, 385 p.