Articles | Volume 17, issue 3
https://doi.org/10.5194/se-17-453-2026
https://doi.org/10.5194/se-17-453-2026
Research article
 | 
12 Mar 2026
Research article |  | 12 Mar 2026

Offshore crustal thickness variation along the Palu–Koro strike–slip fault in the Sulawesi region from OBS receiver function analysis

Tingwei Yang, ChuanChuan Lü, Tianyao Hao, Nicholas Rawlinson, Tao Xu, Pepen Supendi, Sri Widiyantoro, Muhammad Taufiq Rafie, Alfian Alfian, and David Prambudi Sahara

Cited articles

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Cipta, A., Rudyanto, A., Afif, H., Robiana, R., Solikhin, A., Omang, A., Supartoyo, and Hidayati, S.: Unearthing the buried Palu–Koro Fault and the pattern of damage caused by the 2018 Sulawesi Earthquake using HVSR inversion, Geological Society, London, Special Publications, 501, 185–203, https://doi.org/10.1144/SP501-2019-70, 2021. 
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Short summary
We studied the crust beneath Celebes Sea and Makassar Strait in East Indonesia to better understand how the region formed and moves today. Using ocean-bottom and land-based seismometers, we discovered significant differences in crust thickness and unusual underground structures associated with major faults. These findings help explain past tectonic activity and may improve understanding of earthquake hazards in the area.
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