Professor Tim Stern, from Victoria University of Wellington, said there were “strong parallels” between the setting of the Tōhoku-oki earthquake and the southern North Island. Almost all large earthquakes happened in areas called subduction zones, where one tectonic plate plunged beneath another, Stern said. “Both areas are underlain by a subduction zone where the depth of the plate interfaces is about 25 km, and the angle of the interfaces are both 10-20 degrees,” Stern said. The interface is where the plates rub against each other.
NOAA
The National Oceanic and Atmospheric Administration animation illustrates what happens when a major tsunami hits.
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Source: University of Otago
Increasing the amount of time schools devote to physical education each week could dramatically reduce the number of children who are doing only minimal levels of exercise, researchers from the University of Otago, Wellington and Sport New Zealand have found.
Dr Anja Mizdrak.
Lead researcher Dr Anja Mizdrak from the University of Otago, Wellington, says increasing PE time at school to 2.5 hours a week could halve the number of young people doing minimal levels of exercise while increasing the proportion of sufficiently active young people to 68 per cent.
The researchers used information from Sport New Zealand’s Active NZ Survey of more than 8,000 children and young people aged from five to 17 years to assess current activity levels and then modelled the impact of increasing PE time at school.