@onthisday
On June 19th 1718, people in the Gansu Province of China were rocked by a 7.5 magnitude earthquake. The Tongwei–Gansu earthquake hit along the Indian/Eurasian plate boundary outside of modern day Lanzhou. It triggered landslides across the region creating widespread death and destruction.
From one account: "All government offices, the Confucian school, temples and the National Altar were destroyed, and all official and civilian houses collapsed..."
More than 70,000 were estimated dead as a result of the quake. The reference images show visual analysis of the region's landslides to pinpoint the quake's epicenter.
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