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(CNN)Most of the 250 permanent residents of a volcanic Italian island have been told to evacuate after levels of carbon dioxide in the air spiked dangerously, causing respiratory problems to people and their pets. Carbon dioxide levels around the volcanic island of Vulcano in the Aeolian archipelago off the north coast of Sicily have risen from 80 tons to 480 tons, effectively reducing the amount of oxygen in the air, according to the Italian National Institute for Geophysics and Volcanology (INGV).... ...In a message on the Lipari Comune's Facebook page, Giorgianni explained Sunday that the evacuation is not because of...

The plume is seen as an umbrella-shaped feature in the long exposure image to the right Nasa's New Horizons spacecraft has sent back images of a huge volcanic eruption on Jupiter's moon Io.A massive dust plume, estimated to be 150m (490ft) high, can be seen erupting from the Tvashtar volcano on Io. On Wednesday, the US probe flew by Jupiter, using the planet's gravity to boost its speed, reducing the travel time to its ultimate target of Pluto. New Horizons also took photos of the icy moons Europa and Ganymede in the run-up to its encounter with Jupiter. Turning...

The ground on the western edges of Naples, Italy is rising, spurring worries of a possible volcanic eruption, but scientists now think they know exactly what is causing the uplift and may be able to better predict any potential eruption. Using GPS measurements, a group of scientists at the National Institute of Geophysics and Vulcanology in Italy monitored the ground’s motions for several years, and based on the patterns they observed, they believe the uplifting is caused by magma intruding from a shallow chamber. The rising motions of the ground reached a peak rate of about three feet per year...

SUPERVOLCANOES WARNING Slumbering supervolcanoes powerful enough to wipe out much of the planet may awaken much sooner than it had previously been thought. Experts believed it would take hundreds of thousands of years for reservoirs of molton rock, or magma, beneath a supervolcano to build for an eruption. But a new study indicates the time between super-eruptions can actually be tens of thousands of years - and many are already long overdue. A blast from a supervolcano would be strong enough cause mass extinction and change the world's climate. The findings, published in the Journal of Petrology, are bad...