Robust uncertainty quantification of the volume of tsunami ionospheric holes for the 2011 Tohoku-Oki earthquake: towards low-cost satellite-based tsunami warning systems

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Abstract s using satellite observations from the global navigation satellite system (GNSS) network, even over regions without measurements. We face multiple challenges. First, the impact of the acoustic wave generated by a tsunami onto TEC levels is nonlinear and anisotropic. Second, observation points are moving. Third, the measured data are not uniformly distributed in the targeting range. Nevertheless, our method always computes the electron density depression volumes, along with estimated uncertainties, when applied to the 2011 Tohoku-Oki earthquake, even with random selections of only 5 % of the 1000 GPS Earth Observation Network System receivers considered here over Japan. Also, the statistically estimated TEC depression area mostly overlaps the range of the initial tsunami, which indicates that our method can potentially be used to estimate the initial tsunami. The method can warn of a tsunami event within 15 min of the earthquake, at high levels of confidence, even with a sparse receiver network. Hence, it is potentially applicable worldwide using the existing GNSS network.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Robust uncertainty quantification of the volume of tsunami ionospheric holes for the 2011 Tohoku-Oki earthquake: towards low-cost satellite-based tsunami warning systems ; volume:22 ; number:3 ; year:2022 ; pages:849-868 ; extent:20
Natural hazards and earth system sciences ; 22, Heft 3 (2022), 849-868 (gesamt 20)

Classification: Soziale Probleme, Sozialdienste, Versicherungen

Creator: Kanai, Ryuichi
Kamogawa, Masashi
Nagao, Toshiyasu
Smith, Alan
Guillas, Serge

DOI: 10.5194/nhess-22-849-2022

URN: urn:nbn:de:101:1-2022031704204394772627

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:21 AM CEST

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Associated

Kanai, Ryuichi
Kamogawa, Masashi
Nagao, Toshiyasu
Smith, Alan
Guillas, Serge

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Robust uncertainty quantification of the volume of tsunami ionospheric holes for the 2011 Tohoku-Oki Earthquake: towards low-cost satellite-based tsunami warning systems

Organic geochemical evidences of the 2011 Tohoku-oki tsunami (Northern Japan)

Organic geochemical evidences of the 2011 Tohoku-oki tsunami (Northern Japan)

Tracing the "lost" deposits of the 2011 Tohoku-oki tsunami (Northern Japan)

Tracing the "lost" deposits of the 2011 Tohoku-oki tsunami (Northern Japan)

To what extent tsunami source information can be extracted from tsunami deposits? Implications from the 2011 Tohoku-oki tsunami deposits and sediment transport simulations

To what extent tsunami source information can be extracted from tsunami deposits? Implications from the 2011 Tohoku-oki tsunami deposits and sediment transport simulations

Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)

Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)

Anthropogenic pollutants and biomarkers for the identification of 2011 Tohoku-oki tsunami deposits (Japan)

Anthropogenic pollutants and biomarkers for the identification of 2011 Tohoku-oki tsunami deposits (Japan)

Identifying tsunami traces beyond sandy tsunami deposits using terrigenous biomarkers: a case study of the 2011 Tohoku-oki tsunami in a coastal pine forest, northern Japan

Identifying tsunami traces beyond sandy tsunami deposits using terrigenous biomarkers: a case study of the 2011 Tohoku-oki tsunami in a coastal pine forest, northern Japan

Spatial distribution and sources of tsunami deposits in a narrow valley setting - insight from 2011 Tohoku-oki tsunami deposits in northeastern Japan

Spatial distribution and sources of tsunami deposits in a narrow valley setting - insight from 2011 Tohoku-oki tsunami deposits in northeastern Japan

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Tsunami generated by the 2004 Kushiro-oki earthquake

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First GPS TEC maps of ionospheric disturbances induced by reflected tsunami waves: The Tohoku case study

Robust uncertainty quantification of the volume of tsunami ionospheric holes for the 2011 Tohoku-Oki Earthquake: towards low-cost satellite-based tsunami warning systems

Robust uncertainty quantification of the volume of tsunami ionospheric holes for the 2011 Tohoku-Oki Earthquake: towards low-cost satellite-based tsunami warning systems

Organic geochemical evidences of the 2011 Tohoku-oki tsunami (Northern Japan)

Organic geochemical evidences of the 2011 Tohoku-oki tsunami (Northern Japan)

Tracing the "lost" deposits of the 2011 Tohoku-oki tsunami (Northern Japan)

Tracing the "lost" deposits of the 2011 Tohoku-oki tsunami (Northern Japan)

To what extent tsunami source information can be extracted from tsunami deposits? Implications from the 2011 Tohoku-oki tsunami deposits and sediment transport simulations

To what extent tsunami source information can be extracted from tsunami deposits? Implications from the 2011 Tohoku-oki tsunami deposits and sediment transport simulations

Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)

Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)

Anthropogenic pollutants and biomarkers for the identification of 2011 Tohoku-oki tsunami deposits (Japan)

Anthropogenic pollutants and biomarkers for the identification of 2011 Tohoku-oki tsunami deposits (Japan)

Identifying tsunami traces beyond sandy tsunami deposits using terrigenous biomarkers: a case study of the 2011 Tohoku-oki tsunami in a coastal pine forest, northern Japan

Identifying tsunami traces beyond sandy tsunami deposits using terrigenous biomarkers: a case study of the 2011 Tohoku-oki tsunami in a coastal pine forest, northern Japan

Spatial distribution and sources of tsunami deposits in a narrow valley setting - insight from 2011 Tohoku-oki tsunami deposits in northeastern Japan

Spatial distribution and sources of tsunami deposits in a narrow valley setting - insight from 2011 Tohoku-oki tsunami deposits in northeastern Japan

Tsunami generated by the 2004 Kushiro-oki earthquake

Tsunami generated by the 2004 Kushiro-oki earthquake

Distribution of the geochemical signature caused by the 2011 Tohoku-oki tsunami in Misawa harbor, northern Japan

Distribution of the geochemical signature caused by the 2011 Tohoku-oki tsunami in Misawa harbor, northern Japan

Distribution of the geochemical signature caused by the 2011 Tohoku-oki tsunami in Misawa harbor, northern Japan

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First GPS TEC maps of ionospheric disturbances induced by reflected tsunami waves: The Tohoku case study

First GPS TEC maps of ionospheric disturbances induced by reflected tsunami waves: The Tohoku case study

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