What does this research mean for the field?

A collocated, multi-season geotechnical and geophysical dataset from Napier, New Zealand, provides high-resolution measurements necessary for evaluating seasonal subsurface variability and advancing liquefaction hazard analysis. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

Characterize subsurface geotechnical and geophysical properties across dry and wet seasons to improve soil liquefaction hazard assessments under fluctuating groundwater conditions.

September 10, 2026Earthquake SpectraOpen Access

Collocated Geotechnical and Geophysical Test Dataset at Three Sites in Napier, New Zealand

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Characterize subsurface geotechnical and geophysical properties across dry and wet seasons to improve soil liquefaction hazard assessments under fluctuating groundwater conditions.
Conducted a two-part field testing campaign across three sites in Napier, Hawke's Bay, New Zealand, during dry (November 2023) and wet (June 2024) seasons.
Collected invasive measurements using cone penetration testing (CPT), seismic CPT (SCPT), and direct-push crosshole (DPCH) methods.
Acquired noninvasive geophysical data using multichannel analysis of surface waves (MASW), P-wave refraction, horizontal-to-vertical spectral ratio (HVSR), and microtremor array measurements (MAM).
Assembled an open-access, collocated dataset published in DesignSafe that integrates invasive and noninvasive subsurface characterization methods.
Established high-resolution baseline data to evaluate seasonal subsurface variability, benchmark geophysical inversion algorithms, and validate partial saturation corrections in liquefaction models.

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Implication

Field investigation demonstrates multi-method subsurface measurements across seasonal groundwater shifts in coastal soils, highlighting improved constraints for liquefaction hazard analysis.

Cite This Study

Ghimire et al. (2026) studied this question.

synapsesocial.com/papers/6aa27b9a58559d80afc74ea9 https://doi.org/10.1002/esp4.70122

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Implication

Field investigation demonstrates multi-method subsurface measurements across seasonal groundwater shifts in coastal soils, highlighting improved constraints for liquefaction hazard analysis.

Collocated Geotechnical and Geophysical Test Dataset at Three Sites in Napier, New Zealand

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Discussion

Implication

Cite This Study

Collocated Geotechnical and Geophysical Test Dataset at Three Sites in Napier, New Zealand

Key Points

Discussion

Implication

Cite This Study

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