We have compiled a Comprehensive Overview of IoT Sensor and Satellite Imaging Technology, for Landslide and Rockfall Monitoring. With the advancement of technology, Internet of Things (IoT) sensors have emerged as a powerful tool for real-time, continuous monitoring of geohazards. These sensors provide valuable data that, when integrated with Artificial Intelligence (AI) and Machine Learning (ML) systems, enable predictive analytics and enhance the accuracy of early warning s