"The death toll has reached 21 people, 6 people are in critical condition, 13 people are missing. A total of 40,000 employees of the Self-Defense Forces, police and fire departments and 75 helicopters are engaged in elimination of the consequences of the disaster," Suga said at a press conference.
A magnitude 6.7 earthquake was registered at 18:08 GMT Wednesday some 67 kilometers (42 miles) from the city of Sapporo on Hokkaido Island. Earlier.
Previously, local media reported, citing Japanese Prime Minister Shinzo Abe that the death toll from the earthquake was estimated to be 16 people.
READ MORE: Magnitude 7 Earthquake Hits Japan's Hokkaido — USGS
The earthquake also triggered a massive blackout on the island, leaving 2.95 million homes without electricity, the complete restoration of power after that will reportedly take about a week.