VONA message

Grímsvötn

Time: 04. Jan 2024, 17:09 GMT

Color code:  Yellow 

Volcano id: 373010

Activity summary:
For the past four months the long term seismic activity in Grímsvötn has been above background levels. Since the beginning of December 2023 there have been evidences of water leakage from the lake, however for the past 2 weeks the GPS measurements have not been available due to power issues. Today at 16:00 a series of 6 earthquakes of magnitude M1.0 and above have been measured which is considered unusual. This could be related to the water drainage, though at this stage it is hard to confirm. The aviation color code is changed to yellow for the time being and it will be reassessed tomorrow.

Cloud height:
NA

Other cloud information:
NA

Remarks:
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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