The magnitude-7.4 earthquake has caused scare among residents who are still recuperating from the magnitude-9 quake five years ago Japan's scientists say the magnitude-7.4 earthquake that hit the Fukushima and Miyagi prefectures on Tuesday was a strong aftershock of the massive Fukushima quake in 2011. That quake killed more than 18,000 people, displaced tens of thousands and generated a tsunami w
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