First Wave Hits Japan BREAKING: 80 CM Tsunami Recorded in Japan After 7.4 Quake off Sanriku Coast

First tsunami wave hits Japan after a 7.4 quake off the Sanriku coast, triggering alerts across northeaste regions. An 80 cm surge was recorded in Iwate, while smaller 20–70 cm waves reached ports like Miyako and Kuji. Authorities wa stronger waves may follow, urging evacuations across Iwate, Aomori, and Hokkaido. Transport halted and emergency alerts issued as nearly 90,000 residents move to safety amid ongoing tsunami risk.