A 5.9‑magnitude earthquake struck off the coast of Ibaraki Prefecture, northeast of Tokyo, on Monday, with shaking felt in the capital and surrounding prefectures, according to a release from the China state news agency Xinhua.
The Japan Meteorological Agency said the quake had a depth of about 10 km and a seismic‑intensity rating of 3 in several prefectures, but no tsunami was expected. It reported the event at around 1:52 p.m. local time and the epicenter was located at a latitude of 36.2° north and a longitude of 142.2° east.
A post on Facebook by account azpnews claimed that the earthquake struck around 2 a.m. local time beneath southern Ibaraki Prefecture, at a depth of roughly 43 miles (about 69 km) and caused at least 37 injuries.
Another Facebook post by anews reported that the magnitude 5.9 earthquake struck at around 2 a.m. local time, about 43 miles underground, and that at least 20 people were injured.
These differing details illustrate the range of information available on the event, with official sources noting a shallow focus and no tsunami warning, while social‑media accounts report a deeper focus and varying injury counts.