Whakaari/White Island volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 November-9 November 2021 (Continuing Activity)

On 9 November GeoNet reported results from a recent overflight of Whakaari/White Island. Gas measurements showed that sulfur dioxide emissions had increased from 267 tons per day recorded on 14 October to 681 tons per day. Additionally, carbon dioxide increased from 757 to 2712 tons per day and hydrogen sulfide increased from 10 to 38 tons per day.
The gas data suggested that a pulse of gas was rising from molten material at depth. Temperatures in the main vent area were as high as 252 degrees Celsius, similar to temperatures first measured in September and onward. Very minor ash emissions were visible and deposits only extended around the active vents.
The lake had slightly deepened from recent rainfall. The Volcanic Alert Level remained at 2 and the Aviation Color Code remained at Yellow.

Source: GeoNet
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From: Global Volcanism Program, 2021. Report on Whakaari/White Island. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 3 November-9 November 2021. Smithsonian Institution and US Geological Survey.