Abstract
AbstractThe 15 January 2022 eruption of Hunga Tonga-Hunga Ha’apai, and the preceding eruptions on 19 December 2021 and 13 January 2022, were remarkable, partly because the eruptions generated extensive umbrella clouds, regions where the volcanic clouds spread laterally. Here we use satellite remote sensing to evaluate the umbrella cloud tops’ heights, longevities, water contents, and volumetric flow rates. We identified two umbrella clouds at distinct elevations on 15 January 2022. Specifically, after 05:30 UTC, the strong westward propagation of an upper umbrella cloud at 31 km ± 3 km enabled the visibility of the lower umbrella cloud at 17 km ± 2 km. The satellite-derived volumetric flow rate for 15 January 2022 was ~5.0 × 1011 m3 s−1, nearly two orders of magnitude higher than the volumetric flow rates estimated for the 19 December 2021 and 13 January 2022 eruptions. Finally, we found that the umbrellas on all three dates were ice-rich.
Publisher
Springer Science and Business Media LLC
Subject
General Earth and Planetary Sciences,General Environmental Science
Reference53 articles.
1. Global Volcanism Program. Report on Hunga Tonga-Hunga Ha’apai (Tonga). In: Sennert, S. K. (ed.), Weekly Volcanic Activity Report, 16 February-22 February 2022. Smithsonian Institution and US Geological Survey (2022).
2. Brenna, M. et al. Post-caldera volcanism reveals shallow priming of an intra-ocean arc andesitic caldera: Hunga volcano, Tonga, SW Pacific. Lithos 412–413, 106614 (2022).
3. Yuen, D. A. et al. Under the surface: pressure-induced planetary-scale waves, volcanic lightning, and gaseous clouds caused by the submarine eruption of Hunga Tonga-Hunga Ha’apai volcano. Earthquake Res. Adv. 2, 100–134 (2022).
4. Wright, C. J. et al. Surface-to-space atmospheric waves from Hunga Tonga-Hunga Ha’apai eruption. Nature https://doi.org/10.1038/s41586-022-05012-5 (2022).
5. Matoza, R. S. et al. Atmospheric waves and global seismoacoustic observations of the January 2022 Hunga eruption, Tonga. Science https://doi.org/10.1126/science.abo7063 (2022).
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