The US Geological Survey (USGS) recorded a 5.0-magnitude earthquake approximately 4 km (2.4 mi) south-southeast of Jōsō (Ibaraki prefecture) on Tuesday, January 14. The quake occurred around 04:53 (local time) at a depth of 38 km (23 mi). There were no immediate reports of damages or casualties, and no tsunami warning has been issued.
Aftershocks are possible in the affected area over the coming hours and days.
Individuals in the affected area are advised to monitor the situation and prepare for potential aftershocks.
In the event of aftershocks, individuals are advised to protect themselves as much as possible from falling debris if indoors (e.g. under a table), move away from the windows, and not attempt to leave a building unless there is an immediate danger. If outdoors, move away from tall buildings, utility wires, and streetlights.