Authorities in Papua New Guinea have dispatched teams in the Pacific island nation's New Britain province to monitor remote communities for casualties and assess the extent of damage after a powerful, shallow earthquake rattled coastal towns.
The magnitude 7.5 offshore tremor struck around 50km east of the main city of Rabaul at a depth of around 10km just before 11pm on Tuesday (13:00 GMT), according to the United States Geological Survey.

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