VNU Journal of Science Earth and Environmental Sciences, Vol 36, No 4 (2020) 42 51 42 Original Article On the Influence of the Soil and Groundwater to the Subsidence of Houses in Van Quan, Hanoi Dinh Xuan Vinh Hanoi University of Natural Resources and Environment, 41 Phu Dien, Tu Liem, Hanoi, Vietnam Received 11 January 2020 Revised 14 April 2020; Accepted 22 August 2020 Abstract The area of Van Quan, Hanoi before 2004 was the rice field Nearby, Ha Dinh water plant has well drilled underground[.]