Magnitude 7.7 Earthquake Kills at Least Five in Eastern Indonesia and Triggers a Small Tsunami

A magnitude 7.7 earthquake struck off the coast of eastern Indonesia early on Saturday, collapsing buildings across the Flores region and killing at least 20 people, according to Al Jazeera's updated count, which rose through the day from an initial toll of two confirmed by Indonesia's state news agency Antara in Nagekeo district. Rescuers around the port town of Maumere, in East Nusa Tenggara province, found 20 dead, six injured and two people still trapped under rubble, Al Jazeera reported. Three aftershocks followed within half an hour, measuring magnitudes of 5.9, 5.6 and 6.1, and NBC News reported that about 500,000 people were exposed to very strong or severe shaking.

The quake also generated small tsunami waves, with recorded heights below one metre in several locations, consistent with Japan's Jiji Press report of a tsunami just under one metre. Indonesia's Meteorology, Climatology and Geophysics Agency (BMKG) issued a tsunami warning for affected coastlines and urged residents to move to higher ground, but lifted the warning later on Saturday as the immediate wave threat passed. Indonesia's National Search and Rescue Agency continued pulling survivors from building debris through the day, and residents on Lombok island, in West Nusa Tenggara province, several hundred kilometres away, reported strong shaking.

Indonesia sits on the Pacific seismic belt and experiences large quakes regularly, which is why its disaster agencies mobilised within hours. The economic exposure in East Nusa Tenggara is concentrated in fisheries, agriculture and tourism around Labuan Bajo rather than in industrial capacity or export terminals, so the immediate national economic effect remains limited even as the confirmed death toll has risen substantially since the quake struck.

The government response follows a pattern set by President Prabowo Subianto's administration of fast central mobilisation for disasters. Reconstruction spending in a province with limited local revenue falls almost entirely on the national budget, and that burden grows as the casualty and damage figures continue to be revised upward during the search-and-rescue phase.