and the Semnan Missile Complex, run by Iran's military, are said to be located in Semnan.

Iran news: Israel faces massive air defense crunch as Arrow interceptors run low and US stockpiles dwindleIran is one of the most earthquake-prone nations in the world, situated on the geologically active Alpine-Himalayan seismic belt. Seismic events are common due to its complex tectonic setting, and over the years, many of them have resulted in significant destruction and fatalities. Iran typically receives 2,100 earthquakes a year, of which 15 to 16 are of magnitude 5.0 or higher.
On June 20, representatives of Israel and Iran engaged in a face-off at the United Nations Human Rights Council (UNHRC) amid rising tensions between the two countries.
It was a 5.2 magnitude quake located approximately 35 kilometers southwest of Semnan.

Was there any damage?
No immediate reports of damage or casualties have been received.