On May 9, 2010 (March 26, 2010 in the lunar calendar), a 7.4-magnitude earthquake occurred in Indonesia. According to measurements by the China Seismological Network, a magnitude 7.4 earthquake occurred in northern Sumatra (3.7 North latitude, 95.9 East longitude) at 13:59 Beijing time on May 9, 2010, with a focal depth of 50 kilometers.