Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 26, issue 10
Articles | Volume 26, issue 10
https://doi.org/10.5194/nhess-26-4937-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-26-4937-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 10
Research article
 | 
13 Oct 2026
Research article |  | 13 Oct 2026

The impact of the Canterbury earthquakes on household income and expenditure in the Canterbury region in New Zealand

Quanfu Zhang, Ilan Noy, and Yigit Saglam

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Short summary
We studied how the Canterbury earthquakes changed household finances by linking national survey records with location and shaking data. Household income rose after the earthquakes, while total spending changed little overall. However, spending shifted toward insurance, transport, communication, housing, and repairs. Higher-income households adjusted across more areas, while relocated households faced higher housing costs. The findings show that rising income can coexist with uneven recovery.
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