Klyuchevskoy Volcano Volcanic Ash Advisory: VA AT 20200430/1210Z FL200 EXTD NW OBS VA DTG: 30/1210Z to 20000 ft (6100 m)

Thu, 30 Apr 2020, 12:45
12:45 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 and is moving at 5 kts in NW direction.
The full report is as follows:

FVFE01 at 12:41 UTC, 30/04/20 from RJTD
DTG: 20200430/1240Z
PSN: N5603 E16039
ADVISORY NR: 2020/179
OBS VA DTG: 30/1210Z
OBS VA CLD: SFC/FL200 N5603 E16038 - N5624 E16017 - N5636 E16028 -
N5614 E16051 MOV NW 5KT
FCST VA CLD +6 HR: 30/1810Z SFC/FL210 N5543 E16112 - N5516 E16108 -
N5636 E16024 - N5657 E16030
FCST VA CLD +12 HR: 01/0010Z SFC/FL210 N5435 E16222 - N5456 E16119 -

N5601 E16035 - N5733 E16037
FCST VA CLD +18 HR: 01/0610Z SFC/FL220 N5334 E16426 - N5429 E16239 -

N5602 E16038 - N5630 E16130 - N5829 E16100
NXT ADVISORY: 20200430/1800Z=

Previous news

Wed, 29 Apr 2020, 08:54
Strombolian explosions associated with emissions from Klyuchevskoy volcano on 27 April (image: KVERT)
The explosive-effusive eruption of the volcano continues at moderate intensity. Strombolian and sometimes Vulcanian explosions are being observed. ... 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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