The dead were citizens of China, Canada, South and North Korea, Pakistan, the Philippines, Taiwan and the United States, an official told Kyodo News.
Police have notified the victims' families and diplomatic missions.
Several dozen foreigners, mostly Chinese and South Koreans, are still missing.
The latest official death toll is 11,828, with more than 15,500 still missing.
In 1995, an earthquake struck Kobe, Japan, killing about 150 foreigners among 6,434 victims.