spring water
Getty Images |
 

Quake Fault Clues
Uranium is common in many rocks around the world. As it decays it leaves behind radon, among other by-products, which can escape into ground water. Spikes in the tiny amounts of radioactivity in groundwater may help scientists find dangerous hidden faults, or even indicate an impending earthquake. | Discovery News Video

 
 
advertisement

Watch Earth Videos!

earth videos
 

Top Stories Today

 
newsletter
 
 

our sites

video

 

mobile

shop

stay connected

corporate