tsunami

Teaching unions in England said schools were facing a "tsunami of stress and pressure", and teachers were being "driven out of the classroom at a time when children needed them most".

After an iceberg crashes into the water, surface waves called calving-induced tsunamis sweep across the fjord and mix the upper water layers.

Then came the tsunami, an inescapable wall of water that killed tens of thousands.

“It was the equivalent of the earthquake going off,” he said, “and then, much later, the tsunami arrives.”

Japan issued a tsunami advisory Sunday after an offshore 6.7-magnitude earthquake struck a northern Pacific region.