Nearshore Propagation and Amplification of the Tsunami Following the 2024 Noto Peninsula Earthquake, Japan
Abstract On 1 January 2024, a massive earthquake struck the Noto Peninsula in Japan, and the resulting tsunami significantly damaged the nearby coasts. This study focuses on Iida Bay, located on the peninsula that suffered severe coastal damage. We observed a tsunami waveform in Iida Bay from video...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2024-10-01
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| Series: | Geophysical Research Letters |
| Online Access: | https://doi.org/10.1029/2024GL110231 |
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| _version_ | 1849716807355596800 |
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| author | Y. Yamanaka Y. Matsuba T. Shimozono Y. Tajima |
| author_facet | Y. Yamanaka Y. Matsuba T. Shimozono Y. Tajima |
| author_sort | Y. Yamanaka |
| collection | DOAJ |
| description | Abstract On 1 January 2024, a massive earthquake struck the Noto Peninsula in Japan, and the resulting tsunami significantly damaged the nearby coasts. This study focuses on Iida Bay, located on the peninsula that suffered severe coastal damage. We observed a tsunami waveform in Iida Bay from video analysis owing to the lack of instrument data. This, combined with the waveform observed outside the bay, was used to correct the initial sea‐surface displacements produced by a prior source model. We successfully reproduced the observed waveforms with corrected displacements and investigated how the tsunami propagated and amplified in the bay. Alongshore wave propagation and superposition were identified as crucial factors in this tsunami event. |
| format | Article |
| id | doaj-art-25c14de635324f1fa29b6b9e627e9049 |
| institution | DOAJ |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-25c14de635324f1fa29b6b9e627e90492025-08-20T03:12:51ZengWileyGeophysical Research Letters0094-82761944-80072024-10-015119n/an/a10.1029/2024GL110231Nearshore Propagation and Amplification of the Tsunami Following the 2024 Noto Peninsula Earthquake, JapanY. Yamanaka0Y. Matsuba1T. Shimozono2Y. Tajima3Institute of Seismology and Volcanology Faculty of Science Hokkaido University Hokkaido JapanDepartment of Socio‐Cultural Environmental Studies The University of Tokyo Tokyo JapanDepartment of Civil Engineering The University of Tokyo Tokyo JapanDepartment of Civil Engineering The University of Tokyo Tokyo JapanAbstract On 1 January 2024, a massive earthquake struck the Noto Peninsula in Japan, and the resulting tsunami significantly damaged the nearby coasts. This study focuses on Iida Bay, located on the peninsula that suffered severe coastal damage. We observed a tsunami waveform in Iida Bay from video analysis owing to the lack of instrument data. This, combined with the waveform observed outside the bay, was used to correct the initial sea‐surface displacements produced by a prior source model. We successfully reproduced the observed waveforms with corrected displacements and investigated how the tsunami propagated and amplified in the bay. Alongshore wave propagation and superposition were identified as crucial factors in this tsunami event.https://doi.org/10.1029/2024GL110231 |
| spellingShingle | Y. Yamanaka Y. Matsuba T. Shimozono Y. Tajima Nearshore Propagation and Amplification of the Tsunami Following the 2024 Noto Peninsula Earthquake, Japan Geophysical Research Letters |
| title | Nearshore Propagation and Amplification of the Tsunami Following the 2024 Noto Peninsula Earthquake, Japan |
| title_full | Nearshore Propagation and Amplification of the Tsunami Following the 2024 Noto Peninsula Earthquake, Japan |
| title_fullStr | Nearshore Propagation and Amplification of the Tsunami Following the 2024 Noto Peninsula Earthquake, Japan |
| title_full_unstemmed | Nearshore Propagation and Amplification of the Tsunami Following the 2024 Noto Peninsula Earthquake, Japan |
| title_short | Nearshore Propagation and Amplification of the Tsunami Following the 2024 Noto Peninsula Earthquake, Japan |
| title_sort | nearshore propagation and amplification of the tsunami following the 2024 noto peninsula earthquake japan |
| url | https://doi.org/10.1029/2024GL110231 |
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