1990 Manjil–Rudbar earthquake, Khordad 31. On this date in 1990, a powerful earthquake with a magnitude of 7.4 struck the Rudbar, Manjil, and Loshan areas in Gilan province. The event is considered one of the deadliest earthquakes in Iran’s history, resulting in the deaths of over 35,000 people. Thousands more were injured, and widespread destruction affected homes and infrastructure across the region. The earthquake had a significant impact on Iranian society, prompting changes in disaster management and emergency response policies. In the aftermath, greater attention was given to building safety and public education on disaster preparedness. Relief organizations and government agencies developed new programs to improve crisis response and recovery. In 1991, the anniversary of this earthquake was officially added to the Jalali calendar to serve as a reminder of the importance of preparedness and safety in the face of natural disasters.
