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Klyuchevskoy Volcano Volcanic Ash Advisory: VA EMISSIONS CONTINUING OBS VA DTG: 21/1120Z to 18000 ft (5500 m)

Tue, 21 Apr 2020, 12:15
12:15 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 and is moving at 25 kts in SE direction.
The full report is as follows:

FVFE01 at 12:00 UTC, 21/04/20 from RJTD
DTG: 20200421/1200Z
PSN: N5603 E16039
ADVISORY NR: 2020/153
OBS VA DTG: 21/1120Z
OBS VA CLD: SFC/FL180 N5607 E16042 - N5554 E16102 - N5550 E16053 -
N5602 E16037 MOV SE 25KT
FCST VA CLD +6 HR: 21/1720Z SFC/FL180 N5335 E16210 - N5414 E16110 -
N5520 E16023 - N5606 E16038
FCST VA CLD +12 HR: 21/2320Z SFC/FL180 N5314 E16146 - N5146 E16300 -

N5349 E15956 - N5514 E15932 - N5606 E16033
NXT ADVISORY: 20200421/1800Z=

Previous news

Tue, 21 Apr 2020, 11:39
The steam ring ("smoke ring") of Klyuchevskoy volcano this morning (image: KVERT webcam)
The eruption of the volcano continues, mainly characterized by effusive activity, i.e. the emission of a lava flow from the summit crater onto the SE flank. ... Read all
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NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large
NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large


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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