Japan Earthquake Today: 6.9 Magnitude Quake Hits off the CoastA 7.1-magnitude earthquake hit Japan in Iwate Prefecture, reports said on Monday. SavePrintA 7.1-magnitude earthquake hit Japan in Iwate Prefecture, reports said on Monday. USGSJack PhillipsBreaking News Reporter2/16/2015|Updated: 7/18/2015JMA government websiteWe had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.