According to the Earthquake and Tsunami Warning Center, the Institute of Geophysics under the Vietnam Academy of Science and Technology, the quake occurred at 10:53:45 a.m. in Mang Ri Commune, Quang Ngai Province.
The quake had a focal depth of about 8.1 kilometers and was classified at disaster risk level zero.
The Earthquake and Tsunami Warning Center is continuing to monitor this event.
Earlier, at 01:31:27 a.m. on October 2, a magnitude-2.5 earthquake also struck Mang But Commune, Quang Ngai Province.
