An earthquake of magnitude 3.9 occurred early evening on Sunday, January 4th, 2026, at 6:16 pm local time near Konan, Kōnan-shi, Aichi-ken, Japan, as reported by the European-Mediterranean Seismological Centre (EMSC).According to preliminary data, the quake was located at a moderately shallow depth of 40. km. 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.A second report was later issued by Japan's National Research Institute for Earth Science and Disaster Resilience (NIED), which listed it as a magnitude 4.0 earthquake. A third agency, the citizen-seismograph network of RaspberryShake, reported the same quake at magnitude 3.9.Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Ginan (pop. 25,900) located 2 km from the epicenter, Gifu (pop. 402,600) 4 km away, Kakamigahara (pop. 144,500) 6 km away, Konan (pop. 98,300) 10 km away, Ichinomiya (pop. 380,100) 11 km away, Inuyama (pop. 74,000) 13 km away, Inazawa (pop. 134,800) 17 km away, Komaki (pop. 148,900) 17 km away, and Nagoya (pop. 2,332,200) 26 km away.Earthquake data: Date & time: Jan 4, 2026 06:16 pm (GMT +9) local time (4 Jan 2026 09:16 GMT)Magnitude: 3.9Depth: 40.00 kmEpicenter latitude / longitude: 35.4°N / 136.8°E (Ichinomiya Shi, Aichi-ken, Japan)Primary data source: EMSC