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Saturday, 15 August 2026

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7.7 magnitude earthquake strikes Indonesia coast, triggering tsunami warning

A powerful 7.7 magnitude earthquake struck Indonesia, with its epicenter off the coast of Flores, prompting an early tsunami alert.

7.7 magnitude earthquake strikes Indonesia coast, triggering tsunami warning
Photo: skyseeker · Openverse · BY

A 7.7 magnitude earthquake occurred off the coast of Indonesia in the early morning hours of Saturday, August 15, according to the United States Geological Survey (USGS). The quake had its epicenter in the Flores region, at a depth of 10 kilometers, and was recorded at 5:58 a.m. local time.

Indonesian authorities issued an initial tsunami warning following the tremor, although no damage or casualties have been reported thus far. However, there have been reports of aftershocks, the strongest being 6.3 in magnitude.

The USGS indicated that the earthquake's epicenter was located about 68 kilometers north-northwest of the city of Ende, in the East Nusa Tenggara province. Following the seismic event, several media outlets and local authorities began monitoring the situation due to the potential for anomalous waves on nearby coasts.

7.7 magnitude earthquake strikes Indonesia coast, triggering tsunami warning
Photo: skyseeker · Openverse · BY

Although the tsunami alert has raised concerns, there have been no reports of mass evacuations or emergencies in the immediate aftermath of the quake. Rescue operations and damage assessments were initiated by the relevant authorities in the region.

The earthquake phenomenon occurs in a geologically active area known for its high seismicity. Nevertheless, there is currently no information on similar events that might have preceded this particular quake.

Seismic activity continues to be monitored, and the public is urged to remain alert for the possibility of aftershocks in the following hours or days. Authorities will continue to provide updates on the situation and related analyses.