Unsettling /struck like a hammer describe /tremendous/powerful/great damage/scaring /go on unnoticed. San Francisco /Loma Prieta compare /Fukui /Maharashtria more powerful than atom bomb Associate of Hiroshima and Nagasakidescribe Unsettling /struck like a hammer /tremendous /powerful/great damage/scaring /go on unnoticed. compare San Francisco /Loma Prieta /Fukui /Maharashtria Associate more powerful than atom bomb of Hiroshima and Nagasaki