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Mount Etna study links eruption speed to carbon dioxide and water

A Cornell-led collaboration reconstructed the magma pathways behind two major Mount Etna eruptions and found sharply different roles for carbon dioxide and water. One eruption paused underground for weeks before erupting, while another reached the surface in hours.

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Sentinel-6 Satellites Track Ocean Conditions During El Niño to Aid Hurricane Forecasts

NASA says Sentinel-6B and Sentinel-6 Michael Freilich are measuring ocean height, waves, marine winds and atmospheric properties during El Niño. The observations are intended to improve understanding of storm-fuelling ocean conditions and support hurricane-intensity forecasting, although a quantified forecasting improvement has not yet been reported.