An earthquake of magnitude 6.4 occurred only 5 minutes ago 13 km west of Pematangsiantar, Indonesia, Indonesia's Meteorology, Climatology, and Geophysical Agency reported.The quake hit at an intermediate to considerable depth of 163. km beneath the epicenter near Pematangsiantar, Kota Pematang Siantar, North Sumatra, Indonesia, in the afternoon on Saturday, August 15th, 2026, at 5:54 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 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. Weak shaking might have been felt in Pematangsiantar (pop. 274,800) located 13 km from the epicenter, Pekan Bahapal (pop. 40,000) 30 km away, Tebingtinggi (pop. 117,500) 46 km away, Kabanjahe (pop. 73,600) 53 km away, Perbaungan (pop. 157,200) 67 km away, Percut (pop. 311,100) 73 km away, Kisaran (pop. 141,900) 74 km away, and Medan (pop. 2,435,300) 75 km away.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: Aug 15, 2026 05:54 pm (GMT +7) local time (15 Aug 2026 10:54 GMT)Magnitude: 6.4Depth: 163.00 kmEpicenter latitude / longitude: 2.97°N / 98.95°E (Kota Pematang Siantar, North Sumatra, Indonesia)Primary data source: BMKG