VONA message


Time: 24. Nov 2021, 17:11 GMT

Color code:  Yellow 

Volcano id: 373010

Activity summary:
The recent GPS data from the lake in Grímsvötn show that water started to drain. However the flood has not reached yet the edge of the glacier, meaning that the water is still travelling under the ice. There are no indications of tremor around Grímsvötn and the gas monitoring station does not show changes in the emission composition. The aviation color code is maintained yellow for the time being. IMO monitors the situation carefully as the occurrence of the flood might trigger, in the coming days/weeks, an eruption in Grímsvötn volcano.

Cloud height:
No eruption ongoing.

Other cloud information:
No eruption ongoing.

More information about Grímsvötn volcano, its past eruptions and associated volcanic hazards is available at the link: http://icelandicvolcanoes.is/?volcano=GRV

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