Title: The September 28th, 2018, Tsunami In Palu-Sulawesi, Indonesia: A Post-Event Field Survey
Authors: OMIRA RACHIDDOĞAN GÖZDE GÜNEYHIDAYAT RAHMANHUSRIN SEMEIDIPRASETYA GEGARANNUNZIATO ALESSANDROPROIETTI CHIARAPROBST PAMELAPAPARO MARIA AUSILIAWRONNA MARTINZAYTSEV ANDREYPRONIN PAVELGINIYATULLIN ADELPUTRA PURNA S.HARTANTO DWIGINANJAR GIANKONGKO WIDJOPELINOVSKY EFIMYALCINER AHMET C.
Citation: PURE AND APPLIED GEOPHYSICS vol. 176 no. 4 p. 1379-1395
Publisher: SPRINGER BASEL AG
Publication Year: 2019
JRC N°: JRC116006
ISSN: 0033-4553 (online)
URI: https://link.springer.com/article/10.1007%2Fs00024-019-02145-z
https://publications.jrc.ec.europa.eu/repository/handle/JRC116006
DOI: 10.1007/s00024-019-02145-z
Type: Articles in periodicals and books
Abstract: On September 28th, 2018, a powerful earthquake (Mw 7.5) struck the Island of Sulawesi in Indonesia. The earthquake was followed by a destructive and deadly tsunami that hit the Bay of Palu. A UNESCO international tsunami survey team responded to the disaster and surveyed 125 km of coastline along the Palu Bay up to the earthquake epicentre region. The team performed 78 tsunami runup and inundation height measurements throughout the surveyed coastline. Measured values reached 9.1 m for the runup height and 8.7 m for the inundation height, both at Benteng village. The survey team also identified ten large coastal sectors that collapsed into the sea of Palu Bay after the earthquake. The distribution of the measured tsunami data within Palu Bay exhibits a clear localised impact suggesting the contribution of secondary non-seismic local sources to the generation of the tsunami. Findings of the field reconnaissance are discussed to provide an insight into the remaining debated source of the Palu tsunami.
JRC Directorate:Space, Security and Migration

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