Magnitude 5.1 earthquake strikes south of Tonga

An earthquake of magnitude 5.1 struck south of Tonga on Monday (July 19), a little after 6am local time, the European Mediterranean Seismological Centre (EMSC) said.

The quake struck at a depth of 2 km (1.2 miles), the EMSC said. It came hours after a 5.7 magnitude quake in the same region.

The EMSC earlier said the quake had a magnitude of 5.6, with a depth of 8 km.

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