Kaikoura: 'Most complex quake ever studied'

  |   Tech News

The big earthquake that struck New Zealand last year may have been the most complex ever, say scientists. November's Magnitude 7.8 event ruptured a near-200km-long swathe of territory, shifting parts of NZ's South Island 5m closer to North Island. Whole blocks of ground were buckled and lifted upwards, in places by up to 8m.

Writing up its findings in the journal Science, an international team says the Kaikoura event, as it has become known, should prompt a rethink about how earthquakes are expected to behave in high-risk regions such as New Zealand. "What we saw was a scenario that would never have been included in our seismic hazard models," said Dr Ian Hamling from the country's geophysics research agency, GNS Science.

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