An earthquake hit the remote northeastern part of Iran late on Saturday night.
Two children and a woman were reportedly killed in the quake, which was felt in Semnan province. Forty residents were reported injured, and some people were hospitalized.
The U.S. Geological Survey said the earthquake was magnitude 5.7, but Iranian state television said it measured 5.9. At least 15 homes were damaged.
Iran is located on fault lines, and the country gets an average of one weak earthquake per day.
In 2003, a major earthquake hit a in desert city in southeastern Iran. The 6.6 magnitude earthquake flattened Bam and killed between 26,000 and 31,000 people.