The Manjil-Rudbar earthquake occurred on June 21 at 00:30:09. It caused widespread damage in areas within a one hundred kilometer radius of the epicenter near the city of Rasht and about two hundred kilometers northwest of Tehran. The cities of Rudbar, Manjil, and Lushan and 700 villages were destroyed, and over three hundred villages were affected. There was $200,000,000 in damage in Gilan and Zanjan provinces southwest of the Caspian Sea.
One hundred thousand adobe houses sustained major damage or collapsed resulting in forty thousand fatalities, and sixty thousand injured. 500,000 people were left homeless.