Foreshocks and
aftershocks | - Sanriku, Japan (7.3, 9 March 2011)
- Miyagi, Japan (7.1, 7 April 2011)
- Fukushima, Japan (6.6, 11 April 2011)
- Miyagi, Japan (7.3, 7 December 2012)
- Fukushima, Japan (6.9, 22 November 2016)
- Fukushima, Japan (7.1, 13 February 2021)
- Miyagi, Japan (7.0, 20 March 2021)
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