According to emergency services, at least 50 more people suffered injuries of varying severity.
The most difficult situation is in Ishikawa Prefecture, which is closest to the epicenter of the ongoing earthquakes.
More than 200 houses are engulfed in fire there, over 100 residential buildings have collapsed, and people may be trapped under the rubble, TASS reported.
Rescuers and firefighters are working on the spot, and units of the Japanese Self-Defense Forces have been sent to the region to help eliminate the consequences of the tragedy.
Since Monday, more than 150 earthquakes of varying strength have occurred in Japan, the most powerful of which had a magnitude of 7.6. The tsunami threat for the entire western coast of the country remained for more than 20 hours. The earthquake was the most powerful to hit this part of Japan since 1885.
MP/PR