8.9,7.4,6.4,52,5.8,4.2,5.1,6.3
It depends on the earthquake you are talking about. Many have occurred in Japan. The most recent is the 2011 earthquake.
radiation
An earthquake and the tsunami. It was the 5th worst earthquake in the world. The worst disaster for Japan.
The most recent tsunami was in Japan happened 2011, during the Earthquake.
tsumani and hurricane and earthquake
No.
No. The earthquake happened on the East side of Japan, and the Korean peninsula is opposite the Northwest coastline of the Japanese home islands.
12is the biggest magnitude of an earthquake.
Tokyo did not get hit by the recent earthquake in Japan, however the stress from that earthquake has been moved along the plate bounday and therefore Tokyo is the next target for a major earthquake in Japan.
around 20,000
No other countries were affected.
The recent magnitude 9.0 earthquake hit northern Japan on Friday March 11, 2011.Related resources:List of earthquakes in JapanToday's Earthquakes in Japan