Klyuchevskoy Volcano Volcanic Ash Advisory: VA EMISSIONS CONTINUING OBS VA DTG: 27/0520Z to 22000 ft (6700 m)

Mon, 27 Apr 2020, 06:15
06:15 AM | BY: VN
Satellite image of Klyuchevskoy volcano on 27 Apr 2020
Satellite image of Klyuchevskoy volcano on 27 Apr 2020
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 10 kts in NW direction.
The full report is as follows:

FVFE01 at 06:00 UTC, 27/04/20 from RJTD
VA ADVISORY
DTG: 20200427/0600Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SUMMIT ELEV: 4754M
ADVISORY NR: 2020/169
INFO SOURCE: HIMAWARI-8 KVERT
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 27/0520Z
OBS VA CLD: SFC/FL220 N5603 E16039 - N5619 E16041 - N5711 E15855 -
N5713 E15751 - N5705 E15732 - N5657 E15847 MOV NW 10KT
FCST VA CLD +6 HR: 27/1120Z SFC/FL220 N5655 E16005 - N5604 E16039 -
N5703 E15800 - N5736 E15408 - N5805 E15456
FCST VA CLD +12 HR: 27/1720Z SFC/FL230 N5735 E15848 - N5604 E16039 -

N5705 E15539 - N5755 E15236 - N5728 E15055 - N5815 E15137 - N5813
E15549
FCST VA CLD +18 HR: 27/2320Z SFC/FL230 N5857 E15331 - N5832 E15714 -

N5603 E16038 - N5628 E15428 - N5748 E15102 - N5644 E14900 - N5744
E14855
RMK: NIL
NXT ADVISORY: 20200427/1200Z=

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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

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.


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Source: Klyuchevsky information by the GVP (Smithsonian Institution)



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