Magnitude 7.6 quake strikes off Japan's northern coast and triggers a tsunami alert

7.5 magnitude earthquake hits northern Japan

Magnitude 7.6 quake hits Japan's northeast; tsunami warnings issued for Hokkaido, Aomori and Iwate

Here's why Japan leads the world in responding to earthquakes

At least 30 injured after magnitude 7.5 quake in Japan

Magnitude 7.6 quake triggers a tsunami on Japan's northern coast

Video shows moment earthquake hits northern Japan, causing furniture in apartment to shake

Watch Terrifying Moment a 7.5 Quake Slams Japan as People Panic and Cling to Furniture #shorts