Indonesia Issues Tsunami Alert After M7.7 Sulawesi Quake

A powerful magnitude 7.7 earthquake jolted the Sulawesi Sea on Monday morning, June 8, 2026, triggering a tsunami warning from Indonesia's Meteorology, Climatology, and Geophysics Agency (BMKG). The epicenter was located 47 kilometers deep, northwest of Karatung Island in North Sulawesi. The tsunami warning affects coastal areas in North Sulawesi, Gorontalo, Central Sulawesi, North Maluku, and East Kalimantan. The National Disaster Management Agency (BNPB) has instructed local governments to guide residents in warning-designated areas to evacuate to higher ground. Abdul Muhari, head of the BNPB's Disaster Data, Information, and Communication Center, detailed estimated wave arrival times for several locations, including the Sangihe Islands, Manado City, and various parts of Gorontalo and Central Sulawesi. Areas under an advisory status were also instructed to maintain preparedness and move away from coastal zones. Initial reports from the Regional Disaster Management Agency (BPBD) in Talaud Islands and Manado City indicated that earthquake tremors were weakly felt and lasted only a few seconds, with conditions on the ground appearing calm.

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Warning status covers several points in North Sulawesi, with estimated wave arrivals starting in the Sangihe Islands at 06:51 WIB, Manado City at 07:12 WIB, North Minahasa at 07:12 WIB, the Minahasa Islands at 07:16 WIB, North Minahasa again at 07:17 WIB, and North Bolaang Mongondow at 07:22 WIB.