FACTORS TO LIQUEFACTION-INDUCED GROUND FLOW DURING THE 2018 SULAWESI EARTHQUAKE, INDONESIA

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  • 2018年インドネシア・スラウェシ島地震における液状化による地盤流動の要因に関する考察

Abstract

<p> The 2018 Sulawesi earthquake occurred on September 28th, at 18:02 local time (10:02 UTC) with moment magnitude Mw of 7.4, centered 26 km north of Donggala, Central Sulawesi in Indonesia. Field investigations were conducted to find a mechanism of liquefaction-induced large ground flow in some different sites, such as Balaroa and Petobo districts in Palu city and Jono Oge and Sibalaya villages in Sigi district. As a result, it was shown that loose sandy soil layer and much amount of ground water influenced the displacement of large ground flow there.</p>

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