A minor tsunami was detected after a massive 7.4-magnitude earthquake jolted Indonesia's East Nusa Tenggara province, the country's Meteorology, Climatology and Geophysics Agency said.

While one person was injured in the Mangarai district, several houses were damaged in Selayar Island of South Sulawesi province, Richard Elt, head of East Nusa Tenggara's emergency unit, told Xinhua news agency.