Tsunami radar in Padang

Visitors pass by a red and white radar antenna installation in the courtyard of the Al Hakim Mosque in Padang, West Sumatra, on Monday (11/5/2026). The Meteorology, Climatology, and Geophysics Agency (BMKG) is strengthening the tsunami early warning system in West Sumatra by installing High Frequency (HF) Radar technology capable of monitoring sea activities up to 147 kilometers from the coastline. ANTARA FOTO/Fitra Yogi/YU

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