The hot topic these days in the north, Tehran and some other parts of the country, is an unnatural incident that kept the Damavandians out of their homes for a few days and increased property and housing in Mazandaran due to the influx of immigrants. Many experts believe that due to the faults of all provinces, the risk of activation of these faults has affected the whole country, and in the meantime, Mazandaran is also at risk due to the activity of many of these faults.