Bolshaya Ipelka
| Bolshaya Ipelka | |
|---|---|
 Satellite image of Bolshaya Ipelka, with Opala being the small conical mountain to the right. | |
| Highest point | |
| Elevation | 1,155 m (3,789 ft) |
| Coordinates | 52°38′N 156°58′E / 52.63°N 156.97°E |
| Geography | |
  Bolshaya Ipelka Location in Kamchatka Krai, Russia | |
| Location | Kamchatka, Russia |
| Parent range | Eastern Range |
| Geology | |
| Mountain type | Shield volcano |
| Last eruption | Pleistocene |
Bolshaya Ipelka (Russian: Большая Ипелька) is a massive shield volcano at the southern end of the Kamchatka Peninsula in Russia's Far East region.[1] It represents the largest volcanic structure of southern Kamchatka Krai, covering an area measuring 32 km (20 mi) long and 42 km (26 mi) wide.[1][2] Bolshaya Ipelka is of Pleistocene age and formed west of the main volcanic zone in southern Kamchatka. The shield volcano is now inactive, having last erupted during the Pleistocene epoch.[1]
Bolshaya Ipelka is extensively eroded, having been dissected by deep valleys along its flanks that were formed as a result of glaciers flowing out from the summit during past glacial periods. The summit is the most severely eroded part of the original cone, which originally had a much higher elevation than its present 1,155 m (3,789 ft). By contrast, the neighbouring Opala stratovolcano has an uneroded form and is still volcanically active, having last erupted about 300 years ago.[2]
See also
[edit]References
[edit]- ^ a b c "Bolshaya Ipelka". Global Volcanism Program. Smithsonian Institution.
- ^ a b "Bolshaya Ipelka and Opala". NASA Earth Observatory. Retrieved 2020-10-29.
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