Sulphur dioxide emitted from the Hunga Tonga-Hunga Ha'apai volcano continues to spread over the Ha'apai, Vava'u and Niuatoutapu groups drifting NNE at a high altitude of 8-14km. Tonga Geological Services said S02 measured highest near the ‘Otumu‘omu‘a Group. However, the steam cloud formation from the eruption has reduced significantly from yesterday.
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Results for gaseous eruption
Thursday 23 December 2021
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Nuku'alofa, Tonga
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Tonga weather forecast from yr.no, delivered by the Norwegian Meteorological Institute and the NRK. See also Fua'amotu Weather Forecasting Center, Tonga, for latest local weather bulletin.