The quake occurred at 0h45min UTC. According to data published by the Euro-Mediterranean Seismological Center, the epicenter of the seismic movement was located in the South Sandwich Islands region of the southern tip of the Atlantic Ocean.
The earthquake occurred at a depth of 10 km and had a magnitude of 6.8-6.9 degrees.
The quake affected the following cities: 120km E of Iwaki, 156km SE of Sendai, 159km E of Fukushima, 160km NE of Hitachi, 160km E of Koriyama, 181km NE of Hitachi-Naka, 182km NE of Katsuta, 189km SE of Yamagata, 190km NE of Mito, 223km NE of Utsunomiya
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