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Mountains and Volcanoes of the Kamchatka Peninsula, Russia

56.6N 161.3E

September 8th, 2009 Category: Volcanoes

Kamchatka Peninsula, Russia - August 15th, 2009

Kamchatka Peninsula, Russia - August 15th, 2009

The Kamchatka Peninsula is a 1,250-kilometer long peninsula in the Russian Far East, with an area of 472,300 km². It lies between the Pacific Ocean to the east and the Sea of Okhotsk to the west.

The southern tip is called Cape Lopatka. The circular bay to the north of this on the Pacific side is Avacha Bay with the capital, Petropavlovsk-Kamchatsky.

Moving north up along the Pacific side, the four peninsulas are called Shipunsky Point, Kronotsky Point, Kamchatsky Point and Ozernoy Point. North of Ozernoy is the large Karaginsky Bay and island.

The spine of the peninsula is the Kamchatka or Central Range, clearly visible here splicing through the center. Along the southeast cost is the Vostochny or Eastern Range. Between these is the central valley.

The Kamchatka peninsula contains the Volcanoes of Kamchatka UNESCO World Heritage Site, many of which can be observed here, particularly along the east coast.

Of particular note is the Shiveluch Volcano, identifiable here near the image center thanks to its distinct brown cone. It is the northernmost active volcano in Kamchatka Krai.

South of Shiveluch, crowned by white, is Tolbachik, a volcanic complex. It consists of two volcanoes, Plosky (flat) Tolbachik and Ostry (sharp) Tolbachik, which as the names suggest are respectively a flat-topped shield volcano and a peaked stratovolcano

Volcanoes Along Eastern Coast of Kamchatka Peninsula, Russia

54.5N 160.2E

August 24th, 2009 Category: Volcanoes

Kamchatka Peninsula, Russia - August 17th, 2009

Kamchatka Peninsula, Russia - August 17th, 2009

The Kamchatka Peninsula in eastern Russia has a high density of volcanoes and associated volcanic phenomena, with 19 active volcanoes being included in the six UNESCO World Heritage List sites in the Volcanoes of Kamchatka group. Many of these volcanoes can be seen in detail in this orthorectified image.

Kronotsky, a major stratovolcano with a particularly symmetrical conical shape, comparable to Mount Fuji in Japan, can be observed at the edge in the upper right corner, east of Lake Kronotsky. The summit crater is plugged by a volcanic neck.

Moving southwest, one comes to Krasheninnikov, two overlapping stratovolcanoes inside a large caldera. To their west is another volcanic caldera, 9 by 12 km, called Uzon, which hosts a large geothermal field.

Nearer to the coast, below these calderas, are several other volcanoes and the Valley of Geysers, the second largest concentration of geysers in the world. This valley is a 6 km long basin containing approximately ninety geysers.

Moving southwest into the lower left quadrant, Karymsky Lake appears as a dark black circular area. This lake is actually a water-filled volcanic caldera that is part of the Akademia Nauk Volcano.

To the northeast of the lake is Maly Semiachik, a compound stratovolcano located in a 10-km-wide caldera within the 15 by 20 km Stena-Soboliny caldera. Three overlapping stratovolcanoes were constructed sequentially along a NE-SW line, with the youngest cone, Ceno-Semiachik, at the southwest end. A hot, acidic crater lake fills the historically active Troitsky Crater, which formed during a large explosive eruption of Ceno-Semiachik about 400 years ago

Directly north of Karymsky Lake is the Karymsky Volcano, the most active volcano of Kamchatka’s eastern volcanic zone. It is a symmetrical stratovolcano constructed within a 5-km-wide caldera that formed during the early Holocene. Much of the cone is mantled by lava flows less than 200 years old.

Snow-Covered Bolshya Ipelka Volcano, Russia – March 1st, 2013

52.5N 157.3E

March 1st, 2013 Category: Image of the day, Volcanoes

Russia – February 28th, 2013

Kamchatka Peninsula, in the Russian Far East, is blanketed in snow. Visible through the white covering are the peaks of volcanoes such as the Bolshya Ipelka (above image center, near west coast), a large volcanic caldera surrounded by a ring-shaped ridge with steep inner walls and rocky outer slopes. It is made up of the remains of a great volcano that has been eroded and destroyed.

Continued Eruption of Plosky Tolbachik Volcano, Russia

55.8N 160.3E

December 25th, 2012 Category: Volcanoes

Russia – December 17th, 2012

A plume of ash blows from the Plosky Tolbachik Volcano, on Russia’s Kamchatka Peninsula, over the Kamchatka Strait. The volcano has been erupting for nearly a month. The volcano, which is visible left of the image center, is flanked by the Tolbachinsky Dol, a large, mostly treeless lava plateau that descends gradually for 25 km (15.5 mi). The plateau has been heavily affected by both ash fall and lava flow from the volcano from the early Holocene to recent times, giving it the darker brown color that can be seen here where the snow has melted.

Ash Plume from Tolbachik Volcano – December 24th, 2012

55.8N 160.3E

December 24th, 2012 Category: Image of the day

Russia – December 14th, 2012

Upon looking closely at Russia’s Plosky Tolbachik Volcano, which became active in late November after 36 years dormant, a tan plume of ash can be seen blowing eastward. The current eruption shows no sign of abating, and is expected to continue at or near the current intensity over the next week, if not longer.