The China Earthquake Network officially determined that a 3.7 magnitude earthquake occurred at 12:24 on December 17 in Beichuan County, Mianyang City, Sichuan. The depth of the earthquake was 11 kilometers.

The China Earthquake Network officially determined that a 3.7 magnitude earthquake occurred at 12:24 on December 17 in Beichuan County, Mianyang City, Sichuan. The depth of the earthquake was 11 kilometers.