That is because the JMA feared the phenomenon known as a “mysterious tsunami” that occurs once every 10 years in the Izu islands. The JMA for the first time issued a warning against such a ...

Residents along the Pacific coast are urged to take caution for a possible megaquake over the next week, according to the JMA. The Aug. 8 quake, which occurred at 4:42 p.m., registered a maximum ...