Ice sheet in Grímsvötn subsided 17 m (55.8 feet) in 9 days, Iceland
The ice sheet in Grímsvötn has subsided about 17 m (55.8 feet) from November 24 to December 2, 2021. This is about 9 days since it started subsiding and running water began to break its way under the glacier. The Meteorological Office's hydrologists…