Atmospheric waves and global seismoacoustic observations of the January 2022 Hunga eruption, Tonga

Matoza, Robin S.; Fee, David; Assink, Jelle; Iezzi, Alexandra M.; Green, David N.; Kim, Keehoon; Toney, Liam; Lecocq, Thomas; Krishnamoorthy, Siddharth; Lalande, Jean‐Marie; Nishida, Kiwamu; Gee, Kent L.; Haney, M. M.; Ortiz, H. D.; Brissaud, Quentin; Martire, Léo; Rolland, Lucie; Vergados, Panagiotis; Nippress, Alexandra; Park, Junghyun; Shani‐Kadmiel, Shahar; Witsil, Alex J. C.; Arrowsmith, Stephen; Caudron, Corentin; Watada, Shingo; Perttu, Anna; Taisne, Benoît; Mialle, Pierrick; Pichon, Alexis Le; Vergoz, Julien; Hupe, Patrick; Blom, Philip; Waxler, Roger; Angelis, Silvio De; Snively, J. B.; Ringler, A. T.; Anthony, R. E.; Jolly, Arthur D.; Kilgour, Geoff; Averbuch, Gil; Ripepe, Maurizio; Ichihara, Mie; Arciniega‐Ceballos, A.; Astafyeva, Elvira; Ceranna, Lars; Cevuard, Sandrine; Che, Il‐Young; Negri, Rodrigo De; Ebeling, Carl; Evers, Läslo; Franco, Luis; Gabrielson, Thomas B.; Hafner, K.; Harrison, R. G.; Komjáthy, A.; Lacanna, Giorgio; Lyons, J. J.; Macpherson, K. A.; Marchetti, Emanuele; McKee, Kathleen; Mellors, R. J.; Mendo‐Pérez, Gerardo; Mikesell, T. Dylan; Munaibari, Edhah; Oyola-Merced, Mayra I.; Park, Iseul; Pilger, Christoph; Ramos, Cristina; Ruiz, Mario; Sabatini, Roberto; Schwaiger, Hans F.; Tailpied, Dorianne; Talmadge, Carrick L.; Vidot, Jérôme; Webster, Jeremy; Wilson, David C.

doi:10.1126/science.abo7063

articleScienceMay 12, 2022GREEN OA

Atmospheric waves and global seismoacoustic observations of the January 2022 Hunga eruption, Tonga

RSRobin S. Matoza DFDavid Fee JAJelle Assink AMAlexandra M. Iezzi DNDavid N. Green

University of California, Santa Barbara · University of Alaska Fairbanks · +44 more institutions

PubMed

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Abstract

The 15 January 2022 climactic eruption of Hunga volcano, Tonga, produced an explosion in the atmosphere of a size that has not been documented in the modern geophysical record. The event generated a broad range of atmospheric waves observed globally by various ground-based and spaceborne instrumentation networks. Most prominent was the surface-guided Lamb wave (≲0.01 hertz), which we observed propagating for four (plus three antipodal) passages around Earth over 6 days. As measured by the Lamb wave amplitudes, the climactic Hunga explosion was comparable in size to that of the 1883 Krakatau eruption. The Hunga eruption produced remarkable globally detected infrasound (0.01 to 20 hertz), long-range (~10,000…

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Keywords

Seismometer
Seismology
Geology
Volcano
Atmosphere (unit)
Geophysics
Infrasound
Meteorology

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