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How does the depth of groundwater tables affect the liquefaction potential in a given area?

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The depth of groundwater tables significantly influences liquefaction potential in a specific area. A shallower groundwater table corresponds to a higher liquefaction potential, as evidenced by studies in Sleman, Yogyakarta, where lower groundwater tables resulted in greater liquefaction potential indices . Misassignment of groundwater table levels during analysis can lead to erroneous liquefaction assessments, with higher levels overpredicting liquefaction potential and lower levels underestimating it . Research in Tindaki Groundwater Basin found that a phreatic level of less than 10 meters indicated a medium to high liquefaction risk . Additionally, in Padang City, vulnerability to liquefaction decreased with soil depth, with coastal areas showing very high vulnerability . Therefore, understanding and accurately assessing groundwater table depths are crucial for evaluating liquefaction potential and mitigating associated risks.

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Open access•Journal Article•DOI Determination risk of liquifaction disaster based on spatial distribution unconfined aquifer at the Tindaki Groundwater Basin, Parigi Moutong District Ninasafitri, Zeffitni - Show less +1 more 01 Jan 2021 3 Citations	The depth of groundwater tables, less than 10 meters in alluvium formation, indicates a medium to high potential for liquefaction in the Tindaki Groundwater Basin, Parigi Moutong District.
Book Chapter•DOI Assignment of Groundwater Table in Liquefaction Analysis of Soils Muhsiung Chang, Mei-Shan Chan, Ren-Chung Huang, Togani Cahyadi Upomo, Rini Kusumawardani - Show less +4 more 01 Jan 2021 4 Citations	Assigning incorrect groundwater table depths can lead to erroneous liquefaction potential assessments. Higher depths overpredict cyclic resistance ratio and factor of safety, while lower depths underestimate them, impacting liquefaction potential significantly.
Open access•Journal Article•DOI Influence of Groundwater Table Fluctuation on Liquefaction Potential Analysis Using Cyclic Stress Approach Teuku Faisal Fathani, Agus Darmawan Adi - Show less +1 more 01 May 2023-IOP conference series	The depth of groundwater tables influences liquefaction potential; shallower tables increase liquefaction potential, affecting safety factors and severity indices, as shown in the study on building design in Sleman.
Book Chapter•DOI Assessment of Liquefaction Potential Based on SPT Data by Using Machine Learning Approach Salman Siddique Khan, Suvendu Kumar Sasmal, G. Suneel Kumar, Rabi Narayan Behera - Show less +3 more 01 Jan 2021 1 Citations	The depth of groundwater tables is one of the input parameters used to predict liquefaction potential. It influences the Factor of Safety in assessing liquefaction risk in the area.

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