Being the marginal junction of Elevated Zagros and the Inner Highlands , Silakhor is an active earthquake zone . The Trans-Zagros Fault has caused several heavy earthquakes there . Between 6,000 – 8,000 fatalities were caused by the 7.3 Borujerd earthquake that occurred south of Borujerd on January 23 , 1909 . Later , the 6.1 Borujerd earthquake occurred on March 31 , 2006
Borujerd earthquake
2006 Borujerd earthquake
Silakhor Plain