Indonesia's Meteorology, Climatology, and Geophysical Agency reported a magnitude 4.5 earthquake in Indonesia near Tambolaka, Southwest Sumba Regency, East Nusa Tenggara, just 6 minutes ago. The earthquake occurred early Saturday morning, October 17, 2026, at 6:27 a.m. local time, at an intermediate to considerable depth of 162. km. The exact magnitude, epicenter, and depth of the earthquake may be revised over the next few hours or minutes as seismologists review the data and refine their calculations, or as other agencies issue their reports.A second report was later issued by the citizen-seismograph network RaspberryShake, which listed it as a magnitude 4.6 earthquake.Towns or cities near the epicenter where the earthquake may have been felt as very weak shaking include Tambolaka (pop. 35,800), located 90 km from the epicenter, and Dompu (pop. 55,000), 103 km away.VolcanoDiscovery will automatically update the magnitude and depth if they change and follow up if other significant news about the earthquake 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 earthquake.Earthquake data: Date & time: Oct 16, 2026 10:27 p.m. (Universal Time) local time (16 Oct 2026 22:27 GMT)Magnitude: 4.6Hypocenter depth: 139.00 kmEpicenter coordinates: 9.72°S / 118.41°E (Indonesia)Primary data source: BMKG