Articles sur Volcanic eruptions

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Lake Taupo, in the North Island of New Zealand, is a globally significant caldera of a supervolcano that formed following a massive eruption more than 20,000 years ago. from www.shutterstock.com

Explosive lies: how volcanoes can lie about their age, and what it means for us

New research shows that carbon dioxide in groundwater can affect the aging of volcanic eruptions. The findings could help predict future eruptions.
Some explosive volcanoes can send ash high up into the sky and it can travel around the world over different countries. Shutterstock

Curious Kids: Why do volcanoes erupt?

When magma rises towards the surface gas bubbles start to form. Whether or not they can escape as the magma is rising affects how explosive the eruption will be.
A massive fast moving lava flow from Kilauea consumes everything in its path, as the flames from the remnants of one home burns on the left, while it approaches another on the right. EPA/Bruce Omori/Paradise Helicopters

Eruptions and lava flows on Kilauea: but what’s going on beneath Hawai'i’s volcano?

The current eruption of Kilauea on Hawai'is big island can tell us a lot about what is going on beneath the volcano and may provide lessons for future eruptions.
Seismic shockwaves after a meteorite’s collision could affect systems all over the planet. solarseven/Shutterstock.com

More bad news for dinosaurs: Chicxulub meteorite impact triggered global volcanic eruptions on the ocean floor

Research suggests a new threat to life on Earth from the meteorite's crash: Via seismic waves, the impact triggered massive undersea eruptions, as big as any ever seen in our planet's history.
Tourism businesses should start by communicating precisely what they are going to do about the situation to the customer - quickly and clearly, to reduce uncertainty and avoid confusion. Gede Surya/AAP

Bali’s Mt Agung eruption shows how businesses should and shouldn’t react to uncontrollable events

Businesses worth their weight in salt should at least in principle have the capacity to remedy situations that go wrong, as part of their modus operandi.
Piton de la Fournaise or “Peak of the Furnace” on Reunion Island is one of the world’s most active volcanoes, shown erupting in August 2015. AAP/NewZulu/Vincent Dunogué

Explainer: why volcanoes erupt

What happens beneath the surface before a volcano erupts? Can we predict when one will blow? And how can typhoons and melting glaciers contribute to big eruptions?

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