19 18 Nan 'ao, Guangdong, M = 7.3 earthquake

1962 Xinfengjiang, Heyuan, Guangdong, M = 6. 1 earthquake.

1969 yangjiang earthquake, Guangdong province, with ms 6.4.

1997 Guangdong Sanshui earthquake with Ms 4.4

Xinfengjiang Reservoir in Heyuan City, Guangdong Province, also known as Lvwan Lake, is one of the main water sources for Hong Kong. It was built on 1958 and was detained on1October 20th the following year. After storing water for one month, seismic activity began to appear, and with the rapid rise of water level, seismic activity increased accordingly. When the water level approached Gundam 1 10.5m in Man Ku for the first time, an earthquake of magnitude 6. 1 was induced at 4 o'clock on March 1962, resulting in the collapse of more than 800 houses and 85 casualties.