An earthquake of magnitude 5.1 occurred in the morning on Wednesday, June 17th, 2026, at 11:44 am local time near Tambolaka, Southwest Sumba Regency, East Nusa Tenggara, Indonesia, as reported by Indonesia's Meteorology, Climatology, and Geophysical Agency.According to preliminary data, the quake was located at a shallow depth of 10. km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. 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 report.Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc. In Tambolaka (pop. 35,800) located 29 km from the epicenter, the quake should have been felt as light shaking.Weak shaking might have been felt in Waingapu (pop. 35,900) located 90 km from the epicenter.VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become 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: Jun 17, 2026 11:44 am (Makassar time) local time (17 Jun 2026 03:44 GMT)Magnitude: 5.1Depth: 10.00 kmEpicenter latitude / longitude: 9.59°S / 119.45°E (Kabupaten Sumba Barat, East Nusa Tenggara, Indonesia)Primary data source: BMKG