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The earthquake occurred at 20:46 pm local time Tuesday or Wednesday at 6:46 pm . The epicenter depth of 10 kilometers , within 83 kilometers of the north coast of Iquique in Chile . Data sourced epicenter of the U.S. Geological Survey ( USGS ) .
The Pacific Tsunami Warning Center based in Hawaii issued a tsunami warning following the earthquake . Warnings have also come from the Government of Chile . However , the Government of Chile said the quake was 7.9 on the Richter scale .
Chile has one of the world's most active seismic threat . In February 2010 , an earthquake measuring 8.8 on the Richter scale rocked central and southern Chile .
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When the tsunami happened , crashing and destroying dozens of cities , killing more than 500 people and damaging infrastructures with a total loss of about 30 billion U.S. dollars .