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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.
Mount Ngauruhoe, in the foreground, and Mount Ruapehu are two of the active volcanoes in the Taupo volcanic zone. Guillaume Piolle/Wikimedia Commons

Satellites reveal melting of rocks under volcanic zone, deep in Earth’s mantle

New research shows that satellite measurements of tiny movements of the Earth's surface can tell scientists what is happening in the deeper layers of our planet.
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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