Residents in coastal areas of New Zealand fled through the night on Sunday after a powerful 7.8 earthquake struck just after midnight, triggering a potentially destructive tsunami. The earthquake, centered north of Christchurch in the South Island, was felt throughout the country, causing widespread damage and reported casualties.
As tsunami warning sirens were activated in South Island coastal towns and along the east coast of the North Island, police and emergency workers went door-to-door to evacuate seaside properties. A “destructive tsunami” with waves up to five metres was possible, the ministry of civil defence, responsible for emergency management in New Zealand, said in a bulletin.
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Some early waves were up to two-metres but civil defence warned they could intensify and described the tsunami as “an event of life-threatening or national significance”. Civil Defence Minister Gerry Brownlee told a media briefing he had received reports of casualties near the South Island coastal town of Kaikoura but details were unclear.
Local media reported emergency services were searching for a missing person in a collapsed homestead. A second person who had been thought missing in the building was found alive. The earthquake struck at 12.02 AM local time) and was 23 kilometres deep, the US Geological Survey said, putting the epicentre near the alpine tourist village of Hanmer and the rural township of Cheviot in North Canterbury.
It was one of the most powerful shakes to rock earthquake-prone New Zealand and ignited painful memories for residents in Christchurch which was devastated five years ago by a 6.3 tremor which killed 185 people.
“It was massive and really long,” Tamsin Edensor, a mother of two in Christchurch, told AFP, describing the powerful quake as the biggest since the 2011 tremor which was one of New Zealand’s deadliest disasters. “We were asleep and woken to the house shaking, it kept going and going and felt like it was going to build up.”
The main tremor was followed by a series of strong aftershocks and there were reports of damaged houses. Roads were cut and rail and ferry services were halted. In a brief message the Prime Minister John Key tweeted: “I hope everyone is safe after the earthquake tonight.”
People took to social media to report damage with goods tipped from shelves and shattered glass littering streets. “Family friends in Cheviot say some houses are gone,” one person tweeted. Marie Black, a local councillor who lives about 50 kilometres north of Christchurch, told the New Zealand Herald there were reports of damage to buildings in the North Canterbury region.
“It was a significant shake, I have felt several aftershocks and it is very unnerving,” she said.