The 1997 Chittagong earthquake, or the 1997 Bandarban earthquake, occurred on November 21 at 11:23 UTC in the Bangladesh-India-Myanmar border region. It had a magnitude of M_w 6.1. The epicenter was located in southern Mizoram, India. No fatalities were reported there, but 23 people were killed in Chittagong when a 5 story building collapsed in Bangladesh.