A magnitude-7.1 earthquake struck in the sea off Tonga late Friday. (Representational)
A magnitude-7.1 earthquake struck in the sea off Tonga late Friday, according to the US Geological Survey, sparking a tsunami warning.
According to the USGS, the earthquake hit 10 km (six miles) deep, about 200 km southeast of Neiafu, a town in the northeast of the Pacific archipelago nation.
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