A strong and shallow earthquake registered by the USGS as M6.3 rocked Nishinoomote, Japan at 12:39 UTC on Jan 8.
The agency is reporting a depth of 35 km (21.7 miles).
According to the USGS, the epicentre was located 16 km (9.9 miles) SSE of Nishinoomote (population 17,832) and 80 km (50 miles) SSE of Ibusaki (population 29,710), Kagoshima, Japan.
Some 14,000 people are estimated to have felt very strong shaking, 17,000 strong, 7,000 moderate and 424,000 light.
Seismic and Volcanic activity has been correlated to changes in our sun.
The recent global uptick in earthquakes and volcanic eruptions is likely attributed to the drop-off in solar activity, coronal holes, and the increase in Galactic Cosmic Rays penetrating silica-rich magma.
Check out these link for more info:
Grand Solar Minimum