It is reported by RIA Novosti with reference to the Fars agency.
"In its latest report, the Red Crescent Emergency Relief Organization reported that 307 people were injured," the statement said.
It is noted that most of the victims were found in the city of Khoi, seven people - in the city of Selmas.
Earlier, a strong explosion thundered in the Iranian city of Isfahan.
Earlier in January, an earthquake in Iran injured at least 120 people.