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Tolmachev Dol

Pyroclastic cone · Russia · 1021m

Late Pleistocene-Holocene scoria cones in the foreground are located on the southern part of Tolmachev Dol (Tolmachev Plateau) with Opala volcano in the background. Tolmachev Dol is a large volcanic highland NE of Opala that contains numerous postglacial scoria cones. The cones and associated lava fields cover a broad area around Lake Tolmachev halfway between Opala and Gorely.
Late Pleistocene-Holocene scoria cones in the foreground are located on the southern part of Tolmachev Dol (Tolmachev Plateau) with Opala volcano in the background. Tolmachev Dol is a large volcanic highland NE of Opala that contains numerous postglacial scoria cones. The cones and associated lava fields cover a broad area around Lake Tolmachev halfway between Opala and Gorely. · Photo: Copyrighted photo by Leopold Sulerzhitsky (Holocene Kamchataka volcanoes; http://www.kscnet.ru/ivs/volcanoes/holocene/main/main.htm). · Wikimedia Commons
Type
Pyroclastic cone
Country
Russia
Region
Northwestern Pacific Volcanic Regions / Kuril Volcanic Arc
Elevation
1021m
Coordinates
52.630, 157.580
Last eruption
300
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Cluster
Major rock type
Basalt / Picro-Basalt
Geological summary

Tolmachev Dol (Tomachev Plateau) is broad volcanic highland NE of Opala volcano that includes numerous late-Pleistocene and Holocene cinder cones and associated lava flows. The cones and lava fields cover a broad area on both sides of Lake Tolmachev, which lies in large depression halfway between Opala and Gorely volcanoes. The Pleistocene Tolmachev stratovolcano lies on the SE side of the lake. A major explosive eruption took place about 4,600 years ago from Chasha crater in the northern part of the plateau, during which about 1 km3 of rhyolitic tephra was ejected. The latest dated eruption occurred from a cinder cone in the NW part of the plateau about 1,600-1,700 years ago.

From Wikipedia

Tolmachev Dol is a volcanic highland located in the southern part of Kamchatka Peninsula, Russia, northeast of Opala volcano. The cones and lava fields cover a broad area around Tolmachev Lake within the intermountain Tolmachev depression of area about 650 sq.km.

Wikipedia · CC BY-SA · Read full article →

Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
2650 BCE~2453 BCE · 1 eruptions · max VEI 4103~300 · 1 eruptions · max VEI ?2650 BCE1863 BCE1273 BCE487 BCE103

Detailed timeline

  1. 300 (±150 yrs)VEI ?Geological estimate
    300 – Ongoing
    NW part of Tolmachev Dol
  2. 2650 BCEVEI 4Geological estimate
    BCE 2650 – Ongoing
    Chasha crater

External links

⚠ For reference only. Not for emergency response.