At least 26 people were injured, including one seriously, after a magnitude 6.7 earthquake struck Japan's northwestern region late Tuesday, causing landslides and power outages in some areas.

The quake hit Niigata Prefecture on Tuesday night, recording a maximum of upper 6 on the Japanese earthquake intensity scale of 7.

Seventeen people were injured in Yamagata Prefecture, four each in Niigata and Miyagi prefectures, and one in Ishikawa Prefecture, according to a Kyodo News tally Wednesday. There were no reports of missing people, the Fire and Disaster Management Agency said.