Hokkaido Tsunami warning for Hokkaido after 7.5-magnitude quake off north-east Japan, waves up to 3m expected April 22, 2026
Hokkaido Japan tsunami warning issued after earthquake: Iwate, Hokkaido & Aomori on high alert April 22, 2026
Hokkaido Japan tsunami warnings downgraded as people describe ‘low rumbling’ as earthquake hit April 22, 2026
Hokkaido Japan escapes worst of magnitude 7.7 quake but experts warn of potential bigger one April 22, 2026
