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Tonga eruption confirmed as largest ever recorded
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21 November 2022
A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano.
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14 May 2024
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06 February 2023
Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.
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19 January 2023
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30 January 2023
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Soil moisture anomaly map for 17 February 2017.
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Soil moisture anomaly map for 17 February 2017.
Image: NIWA
Attribution, Non-Commercial, No Derivative Work
Soil moisture anomaly map for 17 February 2017 as at 9am.
Extreme weather
