Overview
- The national J-Alert system issued an emergency earthquake warning for Iwate at around 13:16 JST on January 11, forecasting up to seismic intensity 5-lower in inland areas.
- The quake was centered off the northern coast of Iwate Prefecture and measured magnitude 5.2, according to the alert.
- Seismic intensity 4 was observed in several municipalities, including Morioka, Miyako, Kuji, Hachimantai, Kuzumaki, and Fudai, NHK reported.
- Authorities stated there is no concern for a tsunami from this event.
- The alert provided expected shaking arrival times of about 13:15:55 for coastal areas and 13:16:00 for inland areas, and officials advised caution for strong shaking and potential aftershocks.