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Welcome, haere mai to the first GeoNet Data Blog of 2025! Today’s blog talks about the diversity of our data from the point of view of the units used to represent the data values.


The team at GNS would like to wish everyone a safe and happy holiday season. While geohazards can happen anytime and anywhere, now is the best time to prepare and plan to keep you and your whānau safe no matter where in Aotearoa New Zealand you are enjoying summer.


Whakaari / White Island is continuing to emit steam and gas plumes. No further passive emission of volcanic ash has been observed. The Volcanic Alert Level remains at 2 and the Aviation Colour Code is lowered to Yellow.


Our instruments are currently picking up a slow-slip earthquake occurring near Hawke's Bay. We give an update on what’s happening beneath our feet.


Since mid-October the temperature of Te Wai ā-moe (Ruapehu Crater Lake) has been slowly heating. The current temperature is now around 18-19 °C, from a low of 8 °C in early October. We continue to measure low–moderate volcanic sulphur dioxide (SO₂) gas emissions, and low level of volcanic tremor. An eruption remains unlikely.


Welcome, haere mai to another GeoNet Data Blog. The topic of today’s blog is to discuss how we curate and maintain the data stored in our archive.


Whakaari / White Island is currently emitting larger steam and gas plumes. Occasional passive emission of volcanic ash has been observed. The volcano is not actively erupting but the current activity could be leading to a new eruptive episode. The Volcanic Alert Level remains at 2 and the Aviation Colour Code is raised to Orange.


UPDATE: This competition is now closed and the winner has been notified. Congratulations to our winner! We loved reading all your favourite volcanoes. Thanks for sharing your stories and your experiences with Aotearoa New Zealand’s volcanoes.


Whakaari / White Island is currently emitting larger steam and gas plumes, but no ash has been detected. The Volcanic Alert Level remains at 2 and the Aviation Colour Code at Yellow.


Have you ever wondered why we collect felt reports following an earthquake? Well wonder no more!


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