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Puerto Rico earthquake: Tremor measuring 6.3 hits off north coast
A 6.3-magnitude earthquake has been recorded off the north coast of Puerto Rico.
The United States Geological Survey said the tremor struck north of the province of Isabela.
There were no immediate reports of casualties or damage from the earthquake, which the agency said hit at a depth of 10 km (6 miles) about 80 km (50 miles) from Isabela.