Analysis of Shallow-seabed Topographic Changes Caused by the 2024 Noto Peninsula Earthquake Using Airborne LiDAR Bathymetry Survey Data

We investigated topographic changes from land to the shallow seabed caused by the 2024 Noto Peninsula earthquake using airborne LiDAR bathymetry (ALB). We analyzed 0.5 m DEM acquired before the earthquake (September-October 2022) and after the earthquake (April-May 2024). The results indicate a maximum uplift of 5.2 m and a maximum horizontal displacement of 2.5 m, and the area newly emerged above sea level due to uplift was estimated to be 4.56 km2.

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Publication Details

Journal
Journal of the Japan society of photogrammetry and remote sensing
Published
2026-05-10
DOI
https://doi.org/10.4287/jsprs.65.64
Primary Topic
Seismic Waves and Analysis
Type
article
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article

Analysis of Shallow-seabed Topographic Changes Caused by the 2024 Noto Peninsula Earthquake Using Airborne LiDAR Bathymetry Survey Data

Hisashi Sasaki, Shunsuke SHIRAI, Shino KATO (NARUKE), Takahiro KURIMOTO
Journal of the Japan society of photogrammetry and remote sensing
Seismic Waves and Analysis
article

Analysis of Shallow-seabed Topographic Changes Caused by the 2024 Noto Peninsula Earthquake Using Airborne LiDAR Bathymetry Survey Data

Hisashi Sasaki, Shunsuke SHIRAI, Shino KATO (NARUKE), Takahiro KURIMOTO
article en

Abstract

We investigated topographic changes from land to the shallow seabed caused by the 2024 Noto Peninsula earthquake using airborne LiDAR bathymetry (ALB). We analyzed 0.5 m DEM acquired before the earthquake (September-October 2022) and after the earthquake (April-May 2024). The results indicate a maximum uplift of 5.2 m and a maximum horizontal displacement of 2.5 m, and the area newly emerged above sea level due to uplift was estimated to be 4.56 km2.

Journal of the Japan society of photogrammetry and remote sensingVol. 65(2)
Life below water
Openalex Percentile: Top 5%
Seismic Waves and Analysis
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