A multi-platform, open-source, and quantitative remote sensing framework for dam-related hazard investigation: Insights into the 2020 Sardoba dam collapse

•A framework uses satellite data and numerical models for dam hazard investigation.•Applying multi-platform and public remote sensing data for good applicability.•Towards a timely and quantitative dam failure analysis without in situ data.•Evaluation of possible causes and deformations in the Sardoba Dam failure event.