Magnitude 7.3 earthquake off the Coast of Fukushima Prefecture
Comparison: The 2011 earthquake had a magnitude of 9.0 - 9.1 (but it had a 7.2 foreshock 2 days before.)<p><a href="https://en.wikipedia.org/wiki/2011_T%C5%8Dhoku_earthquake_and_tsunami#Earthquake" rel="nofollow">https://en.wikipedia.org/wiki/2011_T%C5%8Dhoku_earthquake_an...</a>