Klyuchevskoy Volcano Volcanic Ash Advisory: ERUPTION AT 20200426/2213Z FL220 EXTD SW REPORTED OBS VA DTG: 26/2220Z to 22000 ft (6700 m)

Sun, 26 Apr 2020, 23:00
23:00 PM | BY: VN
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 W direction.
The full report is as follows:

FVFE01 at 22:49 UTC, 26/04/20 from RJTD
VA ADVISORY
DTG: 20200426/2249Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SUMMIT ELEV: 4754M
ADVISORY NR: 2020/167
INFO SOURCE: HIMAWARI-8 KVERT KBGS
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: ERUPTION AT 20200426/2213Z FL220 EXTD SW REPORTED
OBS VA DTG: 26/2220Z
OBS VA CLD: SFC/FL220 N5549 E16044 - N5620 E15816 - N5649 E15825 -
N5618 E16055 MOV W 10KT
FCST VA CLD +6 HR: 27/0420Z SFC/FL220 N5601 E16050 - N5654 E15806 -
N5702 E15516 - N5741 E15525 - N5718 E15853 - N5627 E16034
FCST VA CLD +12 HR: 27/1020Z SFC/FL220 N5653 E16041 - N5604 E16039 -

N5724 E15638 - N5711 E15206 - N5736 E15204 - N5810 E15354 - N5808
E15622
FCST VA CLD +18 HR: 27/1620Z SFC/FL220 N5603 E16038 - N5754 E15153 -

N5640 E14921 - N5724 E14923 - N5839 E15155 - N5832 E15536 - N5746
E15853
RMK: VA HEIGHT UPDATED TO FL220 BASED ON GROUND REPORT.
NXT ADVISORY: 20200427/0000Z=

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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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