Liquefaction Hazard Engine, by GeoLiquefy

Geotechnical Screening Tool Liquefaction Hazard Engine

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Inputs

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Derived parameters Live preview

Total stress σ_v —

Effective stress σ'_v —

Friction ratio R_f —

Soil index I_c —

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Analysis

Insufficient data for a risk level.

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CSR vs qc_1N,cs Case-history comparison

BI2014 IB2008 MEA2006 (P_L=15%) CEA2004 (SPT)

CSR vs N_1,60,cs CEA2004 SPT triggering curve

Liquefied case Non-liquefied case ★Engineer's input qc_1N (raw; fines unknown, not on qc_1N,cs axis)

Database context Where the engineer's input sits in the NGL distribution

#	Site / Event	Seismic	Penetration	FC / D₅₀	V_s / Depth	Field remarks	Outcome	Sim.

GeoLiquefy LLC is an independent, for-profit company. The Liquefaction Hazard Engine cites the Next Generation Liquefaction (NGL) database as a data source but is not affiliated with, endorsed by, or sponsored by the NGL project or its funding agencies. All NGL data is used in accordance with the NGL project's terms of use.

GeoLiquefy LLC © 2026

Marketing site Support DOI: 10.21222/C2J040

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