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7.7 magnitude earthquake causes small tsunami on South Pacific islands


By AP and published by NBC Bay Area

Wellington, New Zealand – A 7.7 magnitude earthquake caused a small tsunami to wash ashore on South Pacific islands today (May 19). No damage has been reported, and the threat passed in a few hours.

Waves 60 centimetres (2 feet) above tide level were measured off Lenakel, a port town in Vanuatu, the Pacific Tsunami Warning Centre (PTWC) said. Smaller waves were measured by coastal or deep-ocean gauges elsewhere off Vanuatu and off New Caledonia and New Zealand.

Vanuatu’s National Disaster Management Office advised people to evacuate from coastal areas to higher grounds. The office said people should listen to their radios for updates and take other precautions.

New Zealand’s National Emergency Management Agency said it expected coastal areas would experience strong and unusual currents, with unpredictable surges at the shoreline. The PTWC said small waves of 20 centimetres (8 inches) above tides were measured at North Cape, New Zealand.

The tsunami danger passed within a few hours, though the centre said small sea level changes may continue.

The US Geological Survey said the quake’s epicentre was near the Loyalty Islands, a province in the French territory of New Caledonia. The quake was 37 kilometres (23 miles) deep.

The area is southwest of Fiji, north of New Zealand and east of Australia where the Coral Sea meets the Pacific.

The region is part of the “Ring of Fire,” an arc of seismic faults around the Pacific Ocean where most of the world’s earthquakes occur.


Top: A representative image of an earthquake by Paula from Pixabay

Front Page: A seismograph machine needle drawing a line depicting seismic and earthquake activity. File photo: Getty Images and published by NBC Bay Area

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