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Home
> News
> Volcano
eruption news > W
Ring of Fire (Pacific coast) > Kamchatka
> Bezymianny
| Karymsky
| Klyuchevsky
| Shiveluch
| Chikourachki
volcano news

Volcano news: Klyuchevsky

Klyuchevsky
volcano (Kamchatka), activity update: intense explosive
activity

Thursday 17. of May 2007 Age: 8
days

The explosive-effusive eruption of
Klyuchevsy volcano continues and the alert level
has been raised to red. Ash explosions more than 10 km
(32,800 ft.) ASL could occur at any time. The activity
of the volcano could affect international and local
aircraft.
The amplitude of volcanic tremor has
increased during last few days. According to visual
data from Kozyrevsk and Klyuchy, an ash plume from the
central crater about 9700 m (31900 ft) ASL was observed
at 03:50 UTC on May 16 extending to the North. According
to satellite data, ash plumes extended for 200-600 km
(125-370 mi) to the north-east, north-west, and
east from the volcano this week. A large thermal anomaly
was noted all days.

---
Source: KVERT

Klyuchevsky
volcano (Kamchatka), activity update: lava flow and
strombolian activity

Saturday 12. of May 2007 Age: 12
days

Based on observations and video data,
KVERT reported that Strombolian activity occurred at
Kliuchevskoi during 27 April-4 May.
Seismic activity
continued above background levels and a thermal anomaly
in the crater was detected on satellite imagery.

Mudflows and lava flows continued to advance on the
NW flank. Phreatic activity and ash plumes from
lava-flow fronts were noted.
Gas-and-steam plumes
containing ash rose to altitudes of 6.2 km (20,400 ft)
a.s.l. during the reporting period and were visible on
satellite imagery drifting S and SE. Based on
information from KVERT, the Tokyo VAAC reported that ash
plumes rose to an altitude of 5.2 (17,000 ft) a.s.l. and
drifted NE on 3 May.
According to a news article, an
ash plume rose to altitudes of 5.3-5.5 km (17,400-18,000
ft) a.s.l. and drifted NE on 7 May. Ashfall was reported
from the town of Klyuchi, about 30 km to the NE. The
Level of Concern Color Code remained at
Orange

Klyuchevsky
volcano (Kamchatka), activity update: lava flow and
strombolian activity

Thursday 26. of April 2007 Age: 29
days

During 13-20 April, Strombolian activity
occurred at Kliuchevskoi, based on observations and
video data. Seismic activity continued above background
levels and a thermal anomaly in the crater was detected
on satellite imagery. Fumarolic activity intensified
during 15 and 17-18 April. Gas-and-steam plumes possibly
containing small amounts of ash rose to altitudes of
6.3-7.2 km (20,700-23,600 ft) a.s.l. during 15 and 17-18
April and drifted in multiple directions. Based on pilot
reports, satellite imagery, and observations in the
Petropavlovsk-Kamchatsky Flight Information Region
(FIR), the Tokyo VAAC reported several E-drifting ash
plumes. They rose to altitudes of 5.2 (17,000 ft) a.s.l.
and 8.8 km (29,000 ft) on 18 and 22 April, respectively.
On 24 April, KVERT reported mudflows and phreatic
activity at lava flow fronts on the NW flank. Resultant
ash plumes rose from the lava flow fronts to an altitude
of 3.5 km (11,500 ft) a.s.l. The Level of Concern Color
Code remained at Orange

Klyuchevsky
volcano (Kamchatka), activity update: lava flow and
strombolian activity

Thursday 05. of April 2007 Age: 49
days

Based on observation and video data,
lava from Kliuchevskoi flowed down the NW flank on 29
March. On 31 March, lava bombs from Strombolian activity
were projected about 100-200 m above the crater.
According to a news article, lava flows are interacting
with snow and ice and producing vapor plumes.

---
Source: KVERT and
GVP/USGS Weekly Volcanic Activity Report, 28 March-3
April 2007

Klyuchevsky
volcano (Kamchatka), activity update: strombolian
activity

Saturday 31. of March 2007 Age: 54
days

Mild strombolian activity continues at
Klyuchevsky volcano. Over the past weeks, explosions
were observed throwing lava bombs about 50-100 m above
the crater.

---
Source: Kamchatkan
Volcanic Eruption Response Team
(KVERT)

Klyuchevsky
volcano (Kamchatka), activity update: new strombolian
activity

Thursday 22. of March 2007 Age: 63
days

Weak explosive activity at Klyuchevsky
began on February 15. Strombolian activity ejecting lava
bombs up to 50-100 m above the crater were observed on
February 16-18. According to the satellite data
from Russia and USA, a thermal anomaly in the area of
the terminal crater was observed.

---
Source: Message from
Dr. A. Girina (Institute of Volcanology and Seismology
FED RAS, KVERT) via Volcano List Server.

Klyuchevskoi
volcano (Kamchatka), eruption news: strong
strombolian/vulcanian activity since Feb.
16

Friday 16. of February 2007 Age: 98
days

Kamchatka's Klyuchevskoi volcano started
erupting Thursday Feb. 16. KVERT reports increased
seismicity and visible strong strombolian /
vulcanian activity, producing jets of incandescent
material to 300 m above the crater and ash plumes
to an altitude of 5-6 km.

Klyuchevskoy
volcano (Kamchatka): update: volcano is
quiet

Saturday 25. of February 2006 Age:
1 yrs

Klyuchevskoy volcano remains
quiet.

Klyuchevsky
volcano: update

Friday 20. of May 2005 Age: 2 yrs

The Kamchatka Volcano Eruption Response
Team (KVERT) reported that seismic activity of
Klyuchevsky volcano is at background level, but a
thermal anomaly is visible on satellite
imagery at the summit crater. The team
considers the possibility of explosions that produce ash
plumes that reach as high as 6 km (or 19,700
ft).

Klyuchevsky
volcano: eruption update

Wednesday 30. of March 2005 Age: 2
yrs

Eruptive and seismic activity at
Klyuchevsky volcano, neighbour of Sheveluch (also active
at the time of writing) has decreased but remains.
According to press reports, strong strombolian
explosions from the summit crater eject ash and blocks
to up to 1000 m above the crater and lava flows are
travelling down the upper flanks, interacting with ice
and snow, that produce secondary ash clouds.
It
cannot be excluded that stronger explosions from the
summit crater occurr with no or little warning; they
could produce ash plumes that reach as high as 7-8 km or
23,000-26,200 ft above sea level and travel many tens or
hundreds of kilometers downwind.
Klyuchi settlement
is situated between Shiveluch and Klyuchevsky and
receives periodically light ash fall, but the settlement
is still being regarded "safe".

Increasing
activity at Klyuchevkoy volcano,
Kamtchatka

Thursday 24. of March 2005 Age: 2
yrs

As KVERT (Kamchatkan Volcanic Eruptions
Response Team) reports, the eruption at Klyuchevkoy
volcano in Kamtchatka has increased dramatically:

"Continuous explosions from the summitcrater could
produce ash plumes that reach as high as 10 km or 32,800
ft above sea level and travel many tens or hundreds of
kilometers downwind. The current activity of the volcano
is very dangerous to aviation. <...> Seismic
activity of the volcano has increased.
<...> According to visual and video data,
agas-steam plume containing some amounts of ash rose up
to ~7500 m (24600ft) ASL on March 22 and up to ~ 8500 m
(27,800 ft) ASL on March 23, extending to the
north-west. There was ash fall at Kluchi from 18:45 till
present time on March 23. According to data from AMC
Yelizovo, an ash plume rising up to 7,000 m (23, 000
ft.) ASL and extending 70-80 km (44 -50 mi) to the
north-west was observed by pilots of aircraft AN-72 N
71602 at 23:05UTC on March 23."

NASA photo
of the eruption of Klyuchevsky volcano on 30 September,
1994, the volcano's largest explosion in 40 years. The
large

to
top

Klyuchevsky (Klyuchevskaya) volcano

Volcano type

Stratovolcano

Location

Kamchatka peninsula (Russia), 56.057°N /
160.638°E

Summit elevation

4835 m (15,863 ft)

Last eruptions

1697-98, 1720-21, 1727-31, 1737, 1740, 1762,
1767, 1770, 1772, 1785, 1787, 1788, 1789-90, 1791, 1807,
1812, 1813, 1819-22, 1829, 1840, 1848, 1852, 1853-54,
1865, 1877, 1878, 1879, 1882, 1883, 1890, 1896-97, 1890,
1896-97, 1898, 1904, 1907, 1909, 1910, 1911, 1913, 1915,
1922, 1923, 1925, 1926, 1929, 1931, 1932, 1935-36,
1937-39, 1944-1945, 1946, 1948, 1949, 1951, 1953, 1954,
1956, 1957, 1958, 1959, 1960-63, 1963-64, 1965-1966,
1967, 1968, 1969, 1970, 1971, 1971-73, 1974, 1977-80,
1981, 1982, 1982-83, 1984-85, 1986, 1986-90, 1991, 1992,
1992-93, 1994-95, 1996-97, 1998, 1999, 2000, 2002,
2002-04, 2005 - ongoing

Typical eruption style

Dominantly explosive, strombolian and
vulcanian activity, sometimes lava flows from fissure
vents. At present in a phase of near-persistant
activity.

Klyuchevsky
volcano main page

Background:

Kliuchevskoi is Kamchatka's highest and most active
volcano.  Since its origin about 6000 years ago, the
beautifully symmetrical, 4835-m-high basaltic stratovolcano has
produced frequent moderate-volume explosive and effusive eruptions
without major periods of inactivity.  Kliuchevskoi rises above
a saddle NE of sharp-peaked Kamen volcano and lies SE of the broad
Ushkovsky massif.  More than 100 flank eruptions have occurred
at Kliuchevskoi during the past roughly 3000 years, with most
lateral craters and cones occurring along radial fissures between
the unconfined NE-to-SE flanks of the conical volcano between 500 m
and 3600 m elevation.  The morphology of its 700-m-wide summit
crater has been frequently modified by historical eruptions, which
have been recorded since the late-17th century.  Historical
eruptions have originated primarily from the summit crater, but have
also included numerous major explosive and effusive eruptions from
flank craters.

---

Source: Klyuchevsky information by the GVP (Smithsonian
Institution)

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Last updated:  14/06 2005

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