Klyuchevsky volcano news & activity updates
Klyuchevskoy volcano Volcanic Ash Advisory: VA AT 20170913/0005Z FL230 EXTD SE MOV 20KT REPORTED
FVFE01 at 04:21 UTC, 13/09/17 from RJTD
VA ADVISORY
DTG: 20170913/0421Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SUMMIT ELEV: 4754M
ADVISORY NR: 2017/374
INFO SOURCE: HIMAWARI-8 UHPP
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA AT 20170913/0005Z FL230 EXTD SE MOV 20KT
REPORTED
OBS VA DTG: 13/0400Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL230 320/20KT
FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE
IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=
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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)
