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Hydrologic Cycle and Interactions
The hydrologic cycle describes the continuous movement of water above, on, and below the surface of the Earth. The water on the Earth's surface--surface water--occurs as streams, lakes, and wetlands, as well as bays and oceans. Surface water also...
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Volcanic Hot Spots Explained
Hidden history matters most.
Earthquakes Rock in Synchrony, Study Suggests
Faults can fall in synch, causing earthquakes to trigger other temblors.
New Clues Suggest Wet Era on Early Mars Was Global
Minerals in northern Mars craters seen by two orbiters suggest that a phase in Mars' early history with conditions favorable to life occurred globally, not just in the south.
What Was Different About China's Quake?
The earthquake that struck western China occurred in the middle of a plate within the Tibetan Plateau.
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Mystery Behind Weak Earthquake Faults Solved
Geoscientists Chris Marone and Cristiano Collettini travelled to the Isle of Elba to sample a tectonic fault that breaks most of the rules of fault mechanics. Their work reveals why these faults slip.
Ordinary Laptops Act as Earthquake Detectors
A laptop and PC-based network of seismic monitors are providing earthquake data to researchers and could become an early warning system if enough volunteers sign on.
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