This is a fine example on how energy moves through the Tectonic Plates. It started at the Philippines with multiple 5.0+, now energy is moving towards Russia.
Fukushima hasn't gotten one this strong since 2011, if I recall. Japan classifies this 7.1 as most felt in Fukushima.
We also got for a brief moment a G1/Kp4 Geomagnetic Storm. This could've helped on the intensity, if not the quickness, of energy moving across the Plates.
No tsunami No nuclear danger.
Earth IS fascinating.