There is the Workshop on Data Assimilation and Inverse Problems in Trieste Italy. It started on 18 October and will end on 29 October 2021.
The workshop organized jointly by the International Union of Geodesy and Geophysics (IUGG), ICTP, and EAIFR will discuss applications of data assimilation and inverse problem methodologies to specific geophysical fields. The related scientific progress may contribute to the solutions of major societal challenges, such as climatic and environmental changes, disaster risk reduction, and sustainability.
You can still join the Workshop and listen to lectures from world leading scientists.