A tsunami warning was issued after an earthquake with an initial magnitude of 7.3 struck east of New Zealand's north island.
The US Geological Survey initially pegged the quake at 7.3, then revised it down to 6.9.
It said that the quake occurred at a depth of 10 km (6 miles).
According to the Pacific Tsunami Warning Center (PTWC), tsunami waves were possible within 300 km of the quake's epicentre.


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