13 times. From 1956 to February 22, 2023, there were 13 earthquakes in Foshan * *, of which the largest earthquake occurred in 1966, with a magnitude of 6.2, which occurred in Nanhai County, Foshan City, causing serious casualties and property losses. Foshan is located in the hinterland of the Pearl River Delta, bordering Guangzhou in the east and Shenzhen, Hong Kong and Macao. It is an important node city in Guangdong-Hong Kong-Macao Greater Bay Area, the economic and trade center and comprehensive transportation hub in the west wing of the Pearl River Delta region.