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Each weekday morning, OurAmazingPlanet takes the pulse of the Earth, reporting on natural phenomena and exploration news from around the globe.

Europe's Ticking Time Bomb: Mount Vesuvius, one of the most dangerous volcanoes in the world, is more active than previously thought. Is Europe prepared for an eruption? [The World's 5 Most Active Volcanoes ]

Spain Earthquake: The magnitude 5.2 earthquake yesterday in Spain was the country's biggest since 1954. [Related: Spain's Surprisingly Deadly Earthquakes Were Small But Shallow ]

Hillary Visits the Arctic: The Secretary of State touched down in Greenland on her way to a meeting about global warming's impact on the Arctic.

Mount Etna Erupts: New eruptions began yesterday, pumping steam and ash into the sky. Check out the photos.

Previously on Our Daily Planet: Mississippi River Photos and Maine Microquakes

Reach OurAmazingPlanet staff writer Brett Israel at bisrael@techmedianetwork.com. Follow him on Twitter @btisrael.