Tonga Volcano Eruption 2022
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The uninhabited volcanic island of Hunga-Tonga-Hunga-Ha'apai all but disappeared following the early January 2022 blast, according to satellite images from around 12 hours later. The Pacific archipelago was blanketed in ash and volcanic ash clouds spread to countries thousands of kilometres to the west.

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Journal of Geophysical Research: Atmospheres VOL.131 ISSUE 10 | 11 May 2026

Analytically‐Based Rapid Modeling of Global Traveling Acoustic‐Gravity Waves Generated by the 2022 Hunga‐Tonga Volcanic Eruption

Junzhe Zhang + Yongxin Gao + Hengshan Hu

We develop an efficient and accurate simulation method for low‐frequency acoustic‐gravity waves (AGW) in a spherically layered atmosphere, modeling global wave propagation...

Geochemistry, Geophysics, Geosystems VOL.27 ISSUE 5 | 7 May 2026

Hunga‐Tonga Volcano Plumbing System Inferred From Virtual Seismometer Approach

Taghi Shirzad + Goetz Bokelmann + Marcelo Belentani de Bianchi ...

We present a surface wave tomography application based on event‐pair interferometry to investigate local (∼100 km) mid‐ocean crustal structures, with a particular focus on...

Journal of Geophysical Research: Atmospheres VOL.131 ISSUE 7 | 7 April 2026

Stratospheric Constituent and Temperature Responses to the Hunga Volcanic Eruption and QBO in the Southern Hemisphere Low to Midlatitudes

Eric L Fleming + Ghassan Taha + Paul A Newman ...

Stratospheric temperature, ozone, and constituent observations show significant perturbations in the 1–2 years following the January 2022 Hunga volcanic eruption. This study...

AGU25 | 16 December 2025

Estimates of Water in the Hunga Tonga-Hunga Ha’Apai plume

Stephen R McNutt + Earle R Williams + Frank J Spera ...

Systematic calculations have been made of the volume of the plume for the January 15, 2022 Hunga Tonga Hunga Ha’apai eruption. We first estimate the volume of the plume, then...

Journal of Geophysical Research: Solid Earth VOL.131 ISSUE 1 | 10 January 2026

Hydroacoustic Observations of the 15 January 2022 Hunga Tonga‐Hunga Ha'apai Eruption: The Role of Bathymetry Along the Path

Joel D Simon + Frederik J Simons + Hiroko Sugioka ...

The 15 January 2022 submarine volcanic eruption of Hunga Tonga‐Hunga Ha'apai released immense energy throughout the ocean, solid Earth, and atmosphere. We analyze mid‐oceanic...