7.5 magnitude New Zealands South Island North Canterbury earthquake strands cows in landslides North Canterbury earthquake strands cows in landslides A .br7.5 magnitude New Zealands South Island North Canterbury earthquake strands cows in landslides.brCows stranded on island after New Zealand earthquake causes landslides Cows stranded on island after New Zealand earthquake causes landslides Two .brThree cows stranded on a small island of land after a powerful 7.8 magnitude earthquake rocked New Zealand have been led to safety by a team of rescuers, .