TEMPO.CO, Jakarta – A number of posts circulated on Instagram [archive], TikTok, and Facebook on Wednesday, February 25, claiming that the Meteorology, Climatology, and Geophysics Agency (BMKG) had announced a megathrust earthquake alert across Indonesian islands in 2026.
The post shared on Wednesday included the BMKG logo, two men in white uniforms, and a map of earthquake red zones. The text read, “BMKG urges alertness for megathrust earthquakes throughout Indonesia.”

Is it true that BMKG issued a warning of a major earthquake in 2026?
FACT CHECK
Tempo verified the information by analyzing the visuals and interviewing the Meteorology, Climatology, and Geophysics Agency (BMKG)….