An earthquake of magnitude 7 struck off the coast of Riverton in New Zealand on Tuesday, the United States Geological Survey said. The quake was at a depth of 10 km (6.21 miles), USGS said.

When the ground shakes violently, entire cities can crumble within minutes. Homes, hospitals, roads, and lives can vanish suddenly. Despite advances in technology, predicting when earthquakes will ...

The risk of flooding from a major tsunami may be greater than many realized along Monterey County's coastline, California ...