this is a very recent report about a 40% probability of a M8~M9 megathrust earthquake occurring off the western coast of Hokkaido in the next 30 years...
edmwers should keep in mind that the prediction for the next nankai trough megaquake event is 70% in the next 30 years. the nankai trough surrounds the whole western seaboard of chubu, kansai and shikoku, major cities along this coast includes nagoya and osaka.
the 2011 tohoku earthquake and tsunami is the 4th biggest recorded megaquake in the world and the biggest one recorded in japan
edmwers should keep in mind that the prediction for the next nankai trough megaquake event is 70% in the next 30 years. the nankai trough surrounds the whole western seaboard of chubu, kansai and shikoku, major cities along this coast includes nagoya and osaka.
the 2011 tohoku earthquake and tsunami is the 4th biggest recorded megaquake in the world and the biggest one recorded in japan