An earthquake of magnitude 4.9 occurred just 8 minutes ago, 74 km west of Tambolaka, Indonesia, according to Indonesia's Meteorology, Climatology, and Geophysical Agency.The quake struck at a shallow depth of 10. km beneath the epicenter near Tambolaka, Southwest Sumba Regency, East Nusa Tenggara, Indonesia, on Saturday evening, October 17th, 2026, at 8:46 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review the data and refine their calculations, or as other agencies issue their reports.Our monitoring service identified a second report from the RaspberryShake citizen-seismograph network, which also listed the quake at magnitude 4.9.Based on the preliminary seismic data, the quake should not have caused any significant damage but was probably felt by many people as a light vibration in the area of the epicenter. Weak shaking might have been felt in Tambolaka (pop. 35,800), located 74 km from the epicenter; Dompu (pop. 55,000), 101 km away; and Bima (pop. 161,400), 111 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 17, 2026 08:46 pm (GMT +8) local time (17 Oct 2026 12:46 GMT)Magnitude: 4.9Hypocenter depth: 10.00 kmEpicenter coordinates: 9.44°S / 118.56°E (East Nusa Tenggara, Indonesia)Primary data source: BMKG