
AI-generated summary
The Japanese archipelago is located in the Pacific Rim Seismic Zone, with frequent seismic activity. Ibaraki Prefecture and surrounding areas have experienced many felt earthquakes in the past.
An earthquake with an estimated magnitude of 4.9 occurred in Ibaraki Prefecture, Japan at about 4:45 this morning (3:45 am Taipei time). The maximum magnitude of magnitude 4 was observed in southern Ibaraki Prefecture and southern Saitama Prefecture, and magnitude 3 was measured in the Tokyo metropolitan area. There is no tsunami threat from this earthquake.
The Japan Broadcasting Corporation (NHK) reported that according to observations from the Japan Meteorological Agency, the epicenter of the earthquake was located in southern Ibaraki Prefecture, with a depth of about 50 kilometers and an estimated magnitude of 4.9.
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The maximum magnitude 4 earthquake was observed in Joso City, Chikusai City, Bando City, Tsukuba Mirai City, Chuo District of Saitama City in Ibaraki Prefecture, as well as Minami District, Kasukabe City, and Miyashiro Town of Saitama Prefecture.
Areas where magnitude 3 earthquakes were observed include the Tokyo metropolitan area, such as Chiyoda, Chuo, Shibuya, Nakano, Suginami, Itabashi, Nerima, Adachi, Edogawa, Chofu, Kodaira, Yokohama and Kawasaki in Kanagawa Prefecture, as well as parts of Tochigi, Gunma, and Chiba prefectures. (Compiled by: Yang Weijing) 1150929

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