A magnitude 5.4 earthquake struck northern Japan, Volcano Discovery reported on January 27.
The epicenter was located in the northernmost prefecture of Hokkaido, and the outbreak lay at a depth of 115 km.
It is clarified that the earthquake should not have caused any significant damage, but was probably felt by many people as a slight vibration in the epicenter area.
According to the European-Mediterranean Seismological Center (EMSC), a magnitude of 5.7 was recorded, and the source lay at a depth of 107 km.
There was no information about casualties or destruction, no tsunami threat was announced.
On the eve, a series of earthquakes with a magnitude higher than 4 occurred in Spain.
The most powerful aftershocks were recorded late Tuesday evening in the Culiar Vega (4.2) and Santa Fe (4 and 4.3) areas.