The China Earthquake Network officially determined that a magnitude 3.1 earthquake occurred at 19:16 in Olunchunqi, Hulunbuir City, Inner Mongolia, on October 5. The depth of the earthquake was 10 kilometers.

The China Earthquake Network officially determined that a magnitude 3.1 earthquake occurred at 19:16 in Olunchunqi, Hulunbuir City, Inner Mongolia, on October 5. The depth of the earthquake was 10 kilometers.