7.8-magnitude aftershock rocks Chile a day after 8.2 quake

ABOVE: Coastal residents of Chile’s far-north spent a second sleepless night outside their homes on Thursday after a major aftershock rattled an area hit a day earlier by a magnitude-8.2 earthquake that caused six deaths.

IQUIQUE, Chile – The U.S. Geological Survey says a powerful 7.8-magnitude aftershock has rocked Chile’s northern coast, which was hit by a powerful magnitude-8.2 earthquake Tuesday night.

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It caused buildings to shake in the port of Iquique, which saw some damage from the big quake on Tuesday. There are no immediate reports of new damage or injuries.

READ MORE: 6 dead after massive earthquake hits off northern Chilean coast

The latest tremor came 45 minutes after a strong 6.4-magnitude aftershock shook the same area.

The stronger aftershock’s epicenter was 14 miles (23 kilometres) south of Iquique. The USGS said the aftershock had a depth of 12 miles (20 kilometres).