Kolzewoje lake
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Koltsewoe Lake Озеро Кольцево́е |
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| View from the north of the lake | ||
| Geographical location | Onekotan Island ( Kuril Islands ) | |
| Drain | drainless | |
| Islands | Krenitsyn | |
| Data | ||
| Coordinates | 49 ° 20 '12 " N , 154 ° 43' 55" E | |
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| Altitude above sea level | 400 m | |
| surface | 25 km² | |
| length | 7.2 km | |
| width | 6.7 km | |
| Catchment area | 45.2 km² | |
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particularities |
Caldera lake |
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| View of the Krenitsyn | ||
The Kolzewoje Lake ( Russian Озеро Кольцево́е , "Ring Lake") is a crater lake in the extreme south of the Kuril island of Onekotan .
The outflowless Kolzewoje Lake is located in the Tao Rusyr Caldera . Its closed crater rim has heights between 540 m and 920 m . The almost circular lake is at an altitude of about 400 m . It has a longitudinal extension of 7.2 km in the SE-NW direction and 6.7 km in the SW-NE direction. The water area is 25 km². In the northwest part of the lake is the 10 square kilometer crater island of Krenizyn -Vulkans. This has a largely symmetrical conical shape. The volcanic peak is at an altitude of 1325 m . In 1952, the Krenitsyn had its last volcanic activity, during which a lava dome was formed on the east bank of the island . The water temperature fluctuates between 3 and 8 ° C.
Individual evidence
- ↑ a b Озеро Черное in the State Water Register of the Russian Federation (Russian)
- ↑ a b Tao-Rusyr Caldera in the Global Volcanism Program of the Smithsonian Institution (English)