Major 7.7-Magnitude Earthquake Strikes Off Japan Tsunami Warning Issued

[Sidney Reilly]

April 20, 2026 The Japan Times - Japan issues rare special advisory over chance of more powerful quake
April 20, 2026 NBC - Major 7.7-magnitude earthquake strikes off Japan, prompting tsunami alerts
April 20, 2026 WXIA (Atlanta) - Tsunami warning issued after powerful quake in Japan
April 20, 2026 Reuters - Japan eases back tsunami warning after magnitude 7.7 quake, no immediate reports of casualties, damage

 

[Sidney Reilly]

Waves as high as 2½ feet has already been reported amid tsunami warnings and advisories in parts of Japan. The highest wave so far was at Kuji Port in Iwate prefecture, measuring about 80 centimeters (2.62 feet) in height. There were no immediate reports of casualties or major damage, Japan's top government spokesperson Minoru Kihara ⁠told in a news conference as night fell in the capital Tokyo.

April 20, 2026 BBC - Japan tsunami warnings downgraded as people describe 'low rumbling' as earthquake hit

 

[Friendly Engineer]

Reactors will be fine in case anyone was worried. All shored up post Fukushima (even pre-Fukushima the predicted wave height is tiny in comparison to the 2011 tsunami)