The latest quake which was 4.1 on the Richter scale shook the western part of Isfahan at 12.57am, only a day after a series of quakes on Friday.
The provinces struck were Isfahan, Fars, Kerman, Bushehr, Gillan and Ardebil, according to reports from inside Iran.
Bushehr Province – home to the Bushehr Nuclear Power plant – had suffered 17 of the 54 earthquakes to hit Iran since last Thursday, the most of anywhere in the regime, according to Tehran University’s Seismological Centre.