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Karymski volcano (Kamchatka): new ash explosion reported, plume reached 18,000 ft (5 km) altitude

Sat, 10 Nov 2012, 08:13 | BY: T
An explosion occurred earlier today from Karymski (at 22h15 on 9 Nov GMT), producing an ash plume rising to 18,000 ft (5 km) altitude and quickly drifting south (Tokyo VAAC).
4 hours later, the ash had dissipated.

Previous news

Wed, 7 Nov 2012, 06:00

Karymsky volcano (Eastern Kamchatka, Russia) - Smithsonian / USGS Weekly Volcanic Activity Report for 7 November-13 November 2012 (Continuing Activity)

KVERT reported that moderate seismic activity continued at Karymsky during 2-9 November. Satellite imagery detected a thermal anomaly on the volcano during 7-8 November. The Aviation Color Code remained at Orange. ... Read all
Wed, 31 Oct 2012, 06:00

Karymsky volcano (Eastern Kamchatka, Russia) - Smithsonian / USGS Weekly Volcanic Activity Report for 31 October-6 November 2012 (Continuing Activity)

KVERT reported moderate seismic activity from Karymsky during 26 October-2 November; seismicity indicated that possible ash plumes rose to an altitude of 3.5 km (11,500 ft) a.s.l. Satellite imagery showed a thermal anomaly on the volcano on 27 October. The Aviation Color Code remained at Orange. ... Read all
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Background:

Karymsky, the most active volcano of  Kamchatka's eastern volcanic zone, is a symmetrical stratovolcano constructed within a 5-km-wide caldera that formed during the early Holocene.  The caldera cuts the south side of the Pleistocene Dvor volcano and is located outside the north margin of the large mid-Pleistocene Polovinka caldera, which contains the smaller Akademia Nauk and Odnoboky calderas. 
Most seismicity preceding Karymsky eruptions originated beneath Akademia Nauk caldera, which is located immediately south of Karymsky volcano.  The caldera enclosing Karymsky volcano formed about 7600-7700 radiocarbon years ago; construction of the Karymsky stratovolcano began about 2000 years later.  The latest eruptive period began about 500 years ago, following a 2300-year quiescence.  Much of the cone is mantled by lava flows less than 200 years old.  Historical eruptions have been vulcanian or vulcanian-strombolian with moderate explosive activity and occasional lava flows from the summit crater.


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Source: GVP, Smithsonian Institution


Karymski Satelite Image by (c) Google & NASA
Karymski Satelite Image by (c) Google & NASA
Karymsky volcano
Stratovolcano 1536 m / 5,039 ft
Kamchatka, 54.05°N / 159.43°E
Current status: normal or dormant (1 out of 5) Karymsky volcano eruptions:
1771, 1830, 1852, 1854, 1908, 1911, 1912, 1915, 1921, 1923, 1925, 1929, 1932, 1933, 1934, 1938, 1940, 1943, 1945, 1946, 1947, 1952, 1953, 1955, 1956, 1960, 1965, 1967, 1970, 1982, 1983, 1985, 1990, 1993, 1996 - ongoing
Typical eruption style
Doninantly explosive, construction of lava domes, near constant activity.
Karymsky Volcano Tours
Kamchatka (Russia)
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