Articles on Volcanoes

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Mass extinctions caused by rapidly escalating levels of CO2 have occurred before. Global warming image from www.shutterstock.com

Another link between CO2 and mass extinctions of species

It’s long been known that massive increases in emission of CO2 from volcanoes, associated with the opening of the Atlantic Ocean in the end-Triassic Period, set off a shift in state of the climate which…
“There remains no consensus at the present time on the climatic or ecological impacts of Toba.” Victor Hazeldine/EPA

Armageddon and its aftermath: dating the Toba super-eruption

No-one alive today has witnessed a volcanic eruption remotely as big as the Toba “super” eruption. But our ancestors may have done, tens of thousands of years ago, when northern Sumatra exploded, creating…

No tree rings after volcanic eruptions

Trees rings may not provide a full record of climate cooling as large enough temperature drops can lead to very short or…

Volcanoes triggered Little Ice Age

A new study from the University of Colorado-Boulder suggests the Little Ice Age, which lasted from the Middle Ages until…

New clues to deep Earth water cycle

Rocks from xenoliths in the Philippines carrying deep water samples have provided new insight into the water cycle of the…
A blimp-like balloon can be used to pump particles into the upper atmosphere.

Geo-engineering: why research something we never want to use?

What if the world left it too long to take action on global climate change? Is there a way we could somehow cool the planet before an environmental crisis occurs? Geo-engineering is a potential course…

Volcano eruption was predicted

Scientists have successfully predicted the eruption of undersea volcano, Axial Seamount. Bill Chadwick, Orgeon State University…
A QANTAS A380 Airbus, one of the last international flights to depart Sydney International Airport shortly before a 3pm suspension of flights in Sydney on Tuesday. AAP

Explainer: Why can’t planes fly through volcanic ash?

A volcanic ash cloud produced by Chile’s Puyehue volcanic eruption has circumnavigated the globe and floated over Australia twice, disrupting flights and leaving over 120,000 passengers stranded. The Conversation…
Despite centuries of study and folklore, we’re still not over the moon. ~BostonBill~

Chile volcano could turn tomorrow’s lunar eclipse red

What do Chile’s recent volcanic eruptions and tomorrow morning’s total lunar eclipse have in common? Well … Just before sunrise, Earth’s shadow will totally hide the normally-bright moon for about 100…

Travel chaos? You ain’t seen nothing yet

Australian travellers whose flights have been cancelled due to the Chilean ash cloud won’t want to hear what Dr Clive Oppenheimer…
Do hotter-than-average lake temperatures at Mt Ruaphehu suggest an imminent volcanic eruption? Jess Robertson

Mount Ruapehu eruption signs in hot water

A prolonged period of hotter-than-average temperatures in the crater lake of New Zealand’s Mt Ruapehu has seen the country’s media questioning whether another eruption is on the cards. Mt Ruapehu (Māori…

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