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Geonet asks NZers to dob in landslides
The clean-up is continuing after Cyclone Dovi wreaked havoc across the country at the weekend - and GeoNet is asking people to "dob in a landslide" while they're at it. They say they need the public's… Audio
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Hunting for meteorites
Claire Concannon joins a meteorite hunt on the South Island's West Coast and learns what these rocks from space can tell us about the early formation of our solar system. Audio
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Our Changing World - The meteor hunt
Claire joins a team of geologists from the University of Otago on a meteorite hunt in the old gold mining district of Dunganville on the South Island's West Coast. Audio
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Tonga eruption sets world record for booming heard so far from volcano
Volcanologists estimate the material ejected in the Hunga Tonga-Hunga Ha'apai eruption was about twice that of the Mount St Helens eruption in 1980.
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Tonga eruption: Waves up to 15 metres possible - Scientist
A GNS scientist says it's absolutely possible Tonga's volcanic eruption could have sparked tsunami waves reaching 15-metres high at their peak.
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Tonga eruption: science behind 15metre high tsunami waves
Almost five days on from one of the largest volcanic eruptions in the past 30 years, more details are emerging about the impacts of Tonga's Hunga Tonga-Hunga Ha'apai volcano blast and subsequent… Audio
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New Zealanders need to understand the hazards of volcanoes here - EQC
New Zealanders need to understand what impacts and hazards they could face if a volcano here erupted, says the Earthquake Commission.
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Tongans in NZ anxiously await news from home: 'It's painful, you just feel hopeless'
Tongans in New Zealand have been praying for their Pacific Island families, as they endure an agonising wait for news from relatives cut off from the world.
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Northland boat owners demand answers after vessels damaged at marina
Some Northland boat owners are furious there was no tsunami sirens or texts before large waves smashed into the Tūtūkākā Marina, sinking a number of boats on Saturday evening.
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Tonga's volcanic eruption rare and unusual
An expert says the volcanic eruption in Tonga is so rare and unusual the global geo-science community is intrigued.
The sonic boom of Saturday's explosion reverberated around the world.
To explain… Audio
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Tsunami activity threat for New Zealand cancelled
The tsunami warning issued in New Zealand following the Tonga volcanic eruption has been cancelled.
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Eruption 'sent huge pressure wave around globe' - expert
The eruption of underwater volcano Hunga-Tonga-Hunga-Ha'apai has had a significant impact on the environment beyond the tsunami felt in Tonga.
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Scientists working to detect seismic risk below North Island
Researchers hope sensors deployed at the sea floor will reveal the earthquake and tsunami risk below the lower North Island.
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Mt Ruapehu crater lake heats up, small earthquakes expected
GNS Science says small volcanic earthquakes can be expected a Mt Ruapehu as the Crater Lake goes through a new heating phase.
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Slow-slip event beneath Kapiti could help predict larger quakes
A slow-slip earthquake rumbling beneath the Kapiti Coast could help scientists predict when a devastating earthquake might hit.
After five years of being "stuck" to the overlying Australian plate… Audio
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Slow-slip earthquake taking place beneath Kāpiti
After five years of being stuck to the overlying Australian plate, GNS Science said the subducting Pacific Plate has started moving again.
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Whakaari / White Island: Finger pointed back at WorkSafe
Two years on from the disastrous Whakaari / White Island eruption, a lawyer representing Australian victims says the regulatory shortcomings are "terrifying".
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Listening to the hum of the Alpine Fault
A team of scientists are installing an array of seismic sensors along the South Island's Alpine Fault. Claire Concannon joins them to find out how and why. Video, Audio
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Listening to the hum of the Alpine Fault
A team of scientists are installing an array of seismic sensors along the South Island's Alpine Fault. Claire Concannon joins them to find out how and why.
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Our Changing World - The Southern Alps Long Skinny Array
Claire Concannon joins a group from Te Herenga Waka as they deploy a seismic sensor on the Alpine Fault, part of a project to better understand how a slip on one part will impact ground shaking… Video, Audio
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Whakaari eruption: Volcanologist reflects as a science organisation faces charges
A research organisation that monitors volcanic activity on the island is facing criminal charges. Ben Kennedy highlights the perils of communicating the risk of natural hazards.
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Whakaari defendants to face trial in 2023
The 13 defendants accused of health and safety breaches in the lead up to the deadly Whakaari eruption will go to trial in 2023.
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West Antarctica ice sheet collapse avoidable if global warming kept below 2C
Rising seas are already making storm damage more costly, adding to the impact on about 700 million people who live in low-lying coastal areas at risk of flooding.
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Govt proposes tougher rules for adventure activity operators
The government wants to bring in tougher safety rules for adventure activity operators, in response to the deadly 2019 Whakaari / White Island eruption.
