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Our Daily Planet: Japan Aftershock and Iowa's Tornado Outbreak

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

Japan Aftershocks: Exactly one month after a devstating 9.0 magnitude quake struck, a 6.6 magnitude aftershock rocked Japan today. [Related: When Will the Aftershocks in Japan End?]

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Brett Israel was a staff writer for Live Science with a focus on environmental issues. He holds a bachelor’s degree in biochemistry and molecular biology from The University of Georgia, a master’s degree in journalism from New York University, and has studied doctorate-level biochemistry at Emory University.