Recent Update of Flores Island Earth Quakes
20 August 2026
As of August 19, 2026, at 5:00 AM WIB, BMKG or Indonesian Meteorology, Geo-Physics Agency recorded that 2,768 aftershocks had occurred. Among these thousands of aftershocks, 24 events had a magnitude above M5.0, and 81 aftershocks were felt by the community.
Furthermore, today on August 20, 2026, at 9:47 AM WIB, a quite significant aftershock shook the region again with a Magnitude of 5.7, centered 39 km northeast of Ruteng, Manggarai, NTT, at a depth of 10 km (with no tsunami potential).
Here is the latest update regarding the aftershock situation:
Trends and Duration of Aftershocks
- Predicted Duration: The BMKG Director of Earthquakes and Tsunamis stated that aftershocks are expected to continue and will likely end within the next 3 to 4 weeks.
- Magnitude Range: The strength of the aftershocks has varied, ranging from the smallest at M1.1 to the largest reaching M6.2.
- Safety Advice: BMKG urges the public to remain calm but vigilant, and to avoid cracked or damaged buildings from the mainshock to prevent structures from collapsing due to the cumulative strain of the aftershocks.