Klyuchevskoy (Russia) - Report for 19 April-25 April 2017

KVERT reported that a weak thermal anomaly was detected over Klyuchevskoy during 14-17 and 23 April.
A steam-and-gas plume that rose to 5 km (16,400 ft) a.s.l.
and drifted 125 km SW on 23 April contained some ash, prompting KVERT to raise the Aviation Color Code to Orange.
On 24 April satellite images showed an ash plume drifting 72 km SW at an altitude of 7 km (23,000 ft) a.s.l.
On 25 April KVERT noted that activity had significantly decreased and only steam-and-gas emissions were observed.
The Aviation Color Code was lowered to Yellow.
On 25 April ash was again present in a plume; KVERT raised the Aviation Color Code to Orange.
The plume rose 3-4 km (9,800-13,100 ft) a.s.l.
and drifted 60 km SW.

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

Fonte/Source: Global Volcanism Program/Smithsonian Institution

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