M6.1 Earthquake in Chiba/Tokyo(no deaths)
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www3.nhk.or.jp
1: https://mainichi.jp/english/articles/20211007/p2a/00m/0na/03... IIUC this is because tsunamis generally don't happen from earthquakes over land, epicenter has to be under ocean
2: https://www3.nhk.or.jp/news/html/20211007/k10013297131000.ht...