According to the Indonesian Bureau of Meteorology, Climate and Geophysics, at 4:58 local time on August 15, a 7.7 magnitude earthquake occurred 36 kilometers northeast of Mbai town in Indonesia's East Nusa Tenggara province. The depth of the earthquake was 15 kilometers. Authorities issued a tsunami warning.

According to the Indonesian Bureau of Meteorology, Climate and Geophysics, at 4:58 local time on August 15, a 7.7 magnitude earthquake occurred 36 kilometers northeast of Mbai town in Indonesia's East Nusa Tenggara province. The depth of the earthquake was 15 kilometers. Authorities issued a tsunami warning.