The 1751 Takada earthquake struck central Japan's Joetsu City in present-day Niigata Prefecture on 21 May at 02:00 local time.[1] The earthquake with an estimated magnitude of 7.0–7.4 killed an estimated 2,100 people while up to 9,000 homes were levelled.[2] Based on an analysis of damage distribution, Nishiyama and others determined the epicenter region to be in the mountainous area between Jōetsu and Kuwadori Valley.[3]