Tsunami Hits N. Zealand After Powerful Earthquake, Aftershocks

Tsunami Hits N. Zealand After Powerful Earthquake, Aftershocks

New Zealand authorities have issued a tsunami warning, urging people along the entire east coast to move inland or to high ground, after a powerful earthquake hit northeast of Christchurch, the biggest city on South Island. The tremor, with a magnitude initially estimated at 7.4 before being scaled up to 7.8, had a shallow depth…