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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.

Sewer Spelunking: An explorer that has climbed Everest, hiked the South Pole and was the first man to walk alone to the North Pole has now tackled a smellier expedition - the sewers below New York City. [Related: Explore the Underworld: Coolest Spelunking Trips .]

Chile Earthquake: A magnitude-7.1 earthquake rocked central Chile on Sunday. No injuries were reported. [Related: Images of Chile's Raised Coast .]

Flooding Down Under: Floodwaters in the Australian city of Rockhampton, in the state of Queensland, are rising faster than expected, forcing many to flee. The death toll from some of Australia's worst flooding in a decade is now at 10.

Flamingo Tagging: Satellite tags on flamingos may help efforts to purify the water and air in countries that they fly over during their migrations. [Related: In Images: Tagging and Tracking Sea Turtles .]

Previously on Our Daily Planet: West Coast Snow and Australia Flooding

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