Claim: In the 2018 Hokkaido Eastern Iburi earthquake, which measured 6.6 MW on the moment magnitude scale, restoration of power in the households started in September 10, 2018.
Evidence: Number of households that had power restored (JST) 6 Sep 329,000 12% 
By 6:30 p.m. JST on the day of the earthquake, power was restored to 340,000 households in Hokkaido.