The UN had earlier reported a distress signal was detected in Ha apai, and the Tongan navy reported the area was hit by waves estimated to be 5-10 m high.
New Zealand and Australia yesterday sent military surveillance flights to Tonga to assess the damage a huge undersea volcanic eruption left in the Pacific island nation.
A towering ash cloud since Saturday’s eruption had prevented earlier flights.
New Zealand hopes to send essential supplies, including much-needed drinking water, on a military transport plane today.
No casualties have been confirmed on Tonga, although a British woman was reported missing.
The British Foreign Office yesterday said it was “supporting the family of a British woman reported missing in Tonga and are in contact with the local authorities.”
Relatives of Angela Glover, who ran an animal rescue center