Indonesia's Meteorology, Climatology, and Geophysical Agency reported a magnitude 6.1 quake in Indonesia near Tambolaka, Southwest Sumba Regency, East Nusa Tenggara, only 4 minutes ago. The earthquake struck early Sunday morning, October 4, 2026, at 6:55 am local time, at a shallow depth of 10 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their reports.Based on the preliminary seismic data, the quake should have been widely felt by almost everyone in the area of the epicenter. It might have caused light to moderate damage. Moderate shaking probably occurred in Tambolaka (pop. 35,800), located 38 km from the epicenter.Weak shaking might have been felt in Bima (pop. 161,400), located 129 km from the epicenter; Dompu (pop. 55,000), 129 km away; and Waingapu (pop. 35,900), 145 km away.VolcanoDiscovery will automatically update the magnitude and depth if they change and follow up if other significant news about the quake becomes available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.Earthquake data: Date & time: Oct 4, 2026 06:55 am (Makassar time) local time (3 Oct 2026 22:55 GMT)Magnitude: 6.1Hypocenter depth: 10.00 kmEpicenter coordinates: 9.6°S / 118.94°E (Kabupaten Sumba Barat Daya, East Nusa Tenggara, Indonesia)Primary data source: BMKG