Japanese upgrade quake to 9.0 on Richter Scale
March 13, 2011 10:46
The Japanese Meteorological Agency said Sunday that it has upgraded to 9.0 the magnitude of the massive earthquake that struck Japan over the weekend.
Earlier, the agency said the earthquake measured 8.8 on the Richter Scale. Already the most powerful quake to hit Japan since records have been kept over 100 years ago, the latest quake was one of the largest ever in the world.