Kirk wrote below about the awesome dampening effect the gooey magma chamber of Aso had on the recent rupture of the Hinagu and Futagawa faults; the article was based on this report published in the journal Science. The full report is available here. (Kind of a double-edged katana: coulda been worse; might get worse!) - William
http://science.sciencemag.org/content/early/2016/10/19/science.aah4629.full