Washington:  A strong 6.9-magnitude earthquake struck off the coast of central Chile late Tuesday but there was no immediate tsunami alert, US seismologists said.
The epicenter of the quake was near the coast, about 93 kilometers (57 miles) northwest of Coquimbo, said the US Geological Survey (USGS). It initially gave the magnitude as 6.6.
The Pacific Tsunami Warning Center said there was no tsunami threat from the quake, which struck at 8:54 pm (0154 GMT Wednesday) at a depth of 10 kilometers.

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