6.1-magnitude quake rocks Chile

A new study showed that a massive earthquake in Sumatra was caused by up to five faults in the Earth.</p>

A new study showed that a massive earthquake in Sumatra was caused by up to five faults in the Earth.

A 6.1-magnitude earthquake struck Chile today, according to the US Geological Survey

Chilean emergency authorities did not report any major damage or injuries, but a Reuters reporter described seeing Santiago buildings sway. 

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The earthquake's epicenter was located 84 miles away from the capital and hit at 4:36 local time, said the US Geological Survey