7.2-magnitude earthquake triggers tsunami warnings in Japan

and tsunami warnings issued following a 7.6% magnitude earthquake. It struck off the country's northeastern coast about 30 m below sea level. This video shows shaking in stores and apartments.Local reports say that the nuclear power plants are conducting safety checks now. The government has issued evacuation orders for tens of thousands of people who live near the coastline. NBC News meteorologist Bill Karens joins us now.Uh, Bill, tell us more about the location of this massive quake and how it could cont ...