Jakarta Archipelago Earthquake: Tremors Felt Across Indonesia, Reaching Yogyakarta

An earthquake with a magnitude of 5.9 struck approximately 6 kilometers southeast of the Thousand Islands (Kepulauan Seribu) in the Jakarta Metropolitan Area at 04:23 AM Western Indonesian Time on September 12, 2026. According to the Meteorology, Climatology, and Geophysics Agency (BMKG), the tremors were felt with varying intensities across different regions, as indicated by the shakemap. Wijayanto, Director of Earthquakes and Tsunamis at BMKG, stated that an intensity of IV MMI was recorded in Pandeglang, Lebak, Serang, Sukabumi, Cianjur, and Tanggamus. This level of intensity typically causes objects to shake indoors and windows to rattle. Meanwhile, an intensity of III MMI was observed in Tangerang, Tanjung Priok, Nagrak District, Kalapanunggal District, and Cilacap. At this intensity, people indoors may feel the shaking. An intensity of II-III MMI was reported in Rancaekek, Lembang, Garut, Bandung City, Yogyakarta, Pacitan, Ponorogo, Malang Regency, Bengkulu City, Sumur, Padang, Mentawai, Pariaman, and South Solok. This intensity is generally felt by people inside buildings, and sometimes objects may move. An intensity of II MMI was felt in Lemong, Semaka, and Bengkuna. While the earthquake's epicenter was near the Jakarta Metropolitan Area, its effects extended to a wide range of areas across Indonesia. The fact that tremors were felt even in regions as distant as Yogyakarta indicates the scale and reach of the seismic event.