The 2010 Hosseinabad earthquake occurred on December 20 at 22:11 local time (18:41 UTC) with a moment magnitude of 6.6 and a maximum Mercalli intensity of VIII (Severe).

[citation needed] Casualties were reported in the villages of Chah Qanbar, Tak Seyfeldini, and Sarze Rigan.

[5][6] Telephone service was interrupted and power outages were reported in the affected area.

[2] According to the director of the Red Crescent of Iran, it is difficult to deliver humanitarian aid to some villages in the affected mountainous area.

Moderate earthquakes can cause serious damage in the Iranian countryside, where buildings are often made of mud-bricks.