Tongwei–Gansu Earthquake

Date: June 19, 1718 • Location: Mawu, China

An earthquake on the Tibetan Plateau led to the deaths of more than 73,000 people.

An earthquake occurred on June 19, 1718, in Tongwei County, Gansu Province, Qing dynasty, present-day China. The estimated surface wave magnitude (Ms) 7.5 earthquake was designated a maximum Modified Mercalli intensity of X (Extreme), causing tremendous damage and killing 73,000 people.