Home Reef volcano (Tonga Ridge) - Smithsonian / USGS Weekly Volcanic Activity Report for 14 September-20 September 2022 (New Activity / Unrest)

The Tonga Geological Services reported that the new island at Home Reef that emerged from the ocean on 10 September continued to grow through 20 September. The eruption continued at variable intensities, producing daily plumes of gas and steam that rose no higher than 1 km above sea level. The island was surrounded by plumes of discolored water.
The island was 170 m in diameter by 16 September and had grown to 182 m N-S and 173 m E-W by 18 September. Steam plumes with some ash content rose 3 km during 19-20 September. Mariners were advised to stay 4 km away from the volcano.

Source: Tonga Geological Services, Government of Tonga
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From: Global Volcanism Program, 2022. Report on Home Reef. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 14 September-20 September 2022. Smithsonian Institution and US Geological Survey.