Klyuchevskoy Volcano Volcanic Ash Advisory: VA EMISSIONS CONTINUING OBS VA DTG: 28/1420Z to 21000 ft (6400 m)

Thu, 28 May 2020, 15:15
15:15 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 and is moving at 15 kts in S direction.
The full report is as follows:

FVFE01 at 15:00 UTC, 28/05/20 from RJTD
VA ADVISORY
DTG: 20200528/1500Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SUMMIT ELEV: 4754M
ADVISORY NR: 2020/236
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 28/1420Z
OBS VA CLD: SFC/FL210 N5603 E16038 - N5610 E16044 - N5558 E16101 -
N5536 E16111 - N5522 E16053 - N5546 E16050 MOV S 15KT
FCST VA CLD +6 HR: 28/2020Z SFC/FL220 N5434 E16157 - N5409 E16159 -
N5410 E16126 - N5511 E16032 - N5605 E16037
FCST VA CLD +12 HR: 29/0220Z SFC/FL220 N5329 E16338 - N5314 E16309 -

N5319 E16133 - N5604 E16038
FCST VA CLD +18 HR: 29/0820Z SFC/FL210 N5404 E16256 - N5318 E16538 -

N5245 E16510 - N5233 E16314 - N5249 E16200 - N5355 E16217 - N5604
E16038 - N5524 E16154
RMK: NIL
NXT ADVISORY: 20200528/1800Z=

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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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