Subsidence Monitoring involves the precise detection and analysis of ground surface movement, essential for safeguarding infrastructure and environmental stability. Utilizing technologies such as GNSS, LiDAR, and IoT-enabled sensors, modern systems enable real-time, high-accuracy monitoring over extensive areas. This practice is critical across sectors like mining, construction, oil and gas, and urban development to mitigate risks, ensure structural integrity, and comply with safety regulations. By integrating cloud computing, UAVs, and predictive analytics, subsidence monitoring delivers actionable insights that support proactive decision-making and long-term resilience in both natural and built environments.