ArticleScience advances2023
The magmatic system under Hunga volcano before and after the 15 January 2022 eruption.
Article in Science advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Cascading magmatic unrest and aseismic faulting in the Aegean Sea enabled by elastic stress relay.Science advances · 2026Article
- Delayed submarine caldera subsidence creates extreme tsunami hazard.Science advances · 2026Article
- Discovery of basaltic and magnesian andesite magmas within the Hunga volcanic system, Tonga arc.Scientific reports · 2026Article
- Far-reaching volcaniclastic density current deposits as evidence of explosive marine eruptions.Nature communications · 2026Article
- Volcanic eruptions and the global subsea telecommunications network.Bulletin of volcanology · 2025Review
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
One of the largest explosive eruptions instrumentally recorded occurred at Hunga volcano on 15 January 2022. The magma plumbing system under this volcano is unexplored because of inherent difficulties caused by its submarine setting. We use marine gravity data derived from satellite altimetry combined with multibeam bathymetry to model the architecture and dynamics of the magmatic system before and after the January 2022 eruption. We provide geophysical evidence for substantial high-melt content magma accumulation in three reservoirs at shallow depths (2 to 10 kilometers) under the volcano. We estimate that less than ~30% of the existing magma was evacuated by the main eruptive phases, enough to trigger caldera collapse. The eruption and caldera collapse reorganized magma storage, resulting in an increased connectivity between the two spatially distinct reservoirs. Modeling global satellite altimetry-derived gravity data at undersea volcanoes offer a promising reconnaissance tool to probe the subsurface for eruptible magma.
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Registered trials
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