Eastern Range
Восточный хребет
Kizimen Volcano in 2011
Highest point
PeakKlyuchevskaya Sopka
Elevation4,754 m (15,597 ft)[1]
Coordinates53°03′22″N 160°38′39″E / 53.05611°N 160.64417°E / 53.05611; 160.64417[1]
Dimensions
Length600 km (370 mi) NNE / SSW
Width120 km (75 mi) WNW / ESE
Geography
Eastern Range (Kamchatka) is located in Kamchatka Krai
Eastern Range (Kamchatka)
CountryRussia
Federal subjectKamchatka Krai
Range coordinates54°N 159°E / 54°N 159°E / 54; 159
Geology
OrogenyCenozoic orogeny
Age of rockUpper Cretaceous
Type of rockVolcanic rocks

Eastern Range (Russian: Восточный хребет,Vostochny Hrebet) is a mountain range on the Kamchatka Peninsula, Kamchatka Krai, Russian Far East. It is a complex range mainly consisting of volcanic peaks. Together with the Middle Range, it is one of the two main mountain systems of the peninsula.[2]

Geography

The Eastern Range stretches roughly from NNE to SSW for 600 kilometres (370 mi) along the eastern part of the peninsula between the southern Karaginsky Gulf at the northern end and Avacha Bay at the southern. The highest point is Klyuchevskaya Sopka, a 4,754 metres (15,597 ft) high stratovolcano. The range is made up of a number of separate ranges having steep western slopes and more gentle eastern ones. The central Kamchatka Depression, with the valley of the Kamchatka River, separates the Eastern Range from the Middle Range of the peninsula to the west.[3] The main part of the Eastern Range is part of the East Kamchatka Anticline dating back to the Cenozoic orogeny, composed of Upper Cretaceous sediments and volcanic rocks, such as basalt and tuff.[2]

Subranges

The system of the Eastern Range comprises a number of subranges, including the following:

  • Kumroch Range, highest point 2,346 metres (7,697 ft). The northernmost subrange.
  • Tumrok Range, highest point 2,334 metres (7,657 ft).
  • Valagin Range, highest point 1,794 metres (5,886 ft).
  • Ganal Range, highest point 2,277 metres (7,470 ft). The southernmost subrange .[4]

Some geographic works include the Kluchevskaya group of volcanoes, highest point 4,750 metres (15,580 ft), as well as the Gamchen Range, highest point 2,576 metres (8,451 ft), as part of the Eastern Range. The first is located to the west of the Kumroch Range and the other to the east of the Tumrok Range.[5]

The Eastern Kamchatka zone of recent and ongoing volcanic eruptions is around the area where the Valagin and the Tumrok ranges meet, with a number of active volcanoes, such as the Kizimen, Shiveluch and Karymskaya Sopka.[2]

Flora

The lower parts of the slopes of the Eastern Range are covered in birch and fir forests and dwarf cedar shrub, as well as rhododendron.[2]

See also

References

  1. 1 2 "Russia: Kamchatka and the Russian Pacific Islands"". peaklist.org. Retrieved 2013-03-23.
  2. 1 2 3 4 Восточный хребет / Great Soviet Encyclopedia; in 35 vols. / Ch. ed. Yu. S. Osipov. 2004—2017. (in Russian)
  3. ↑ Google Earth
  4. ↑ Simplified geologic map of the Sredinnyi and Ganal Range
  5. ↑ Wielka Encyklopedia Gór i Alpinizmu (United Encyclopedia Mountains and Mountaineering), Volume 2 Asia Mountains, Katowice STAPIS Publishing, 2005, ISBN 83-88212-42-7 (in Polish)
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