It's reported at around 46000 homes, the region has many elders and the outage will impact air conditionners, but also medical equipment they keep at home and supporting appliances.
https://news.yahoo.co.jp/articles/55a0a3ebb9d0087ae8492ce85c...
This makes me think, is it wise to build these places in regions with known earthquake trends.
Almost no earthquakes in Korea and Samsung fabs are also located in the most safe area within Korea.