An earthquake of magnitude 4.5 occurred just 8 minutes ago, 47 km southeast of Tambolaka, Indonesia, Indonesia's Meteorology, Climatology, and Geophysical Agency reported.The quake struck at a shallow depth of 10. km beneath the epicenter near Tambolaka, Southwest Sumba Regency, East Nusa Tenggara, Indonesia, in the morning on Wednesday, September 9th, 2026, at 9:04 am local time. 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.Our monitoring service identified a second report from the citizen-seismograph network RaspberryShake, which also listed the quake at magnitude 4.5.Based on the preliminary seismic data, the quake should not have caused any significant damage but was probably felt by many people as light vibrations in the area of the epicenter. Weak shaking might have been felt in Tambolaka (pop. 35,800), located 47 km from the epicenter, and Waingapu (pop. 35,900), 80 km away.VolcanoDiscovery will automatically update the magnitude and depth if these 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: Sep 9, 2026 09:04 am (Makassar time) local time (9 Sep 2026 01:04 GMT)Magnitude: 4.5Hypocenter depth: 10.00 kmEpicenter coordinates: 9.73°S / 119.54°E (Kabupaten Sumba Tengah, East Nusa Tenggara, Indonesia)Primary data source: BMKG