Tohoku earthquake

Explained: What Is the ‘Wall of Ice’ at Fukushima’s Crippled Nuclear Plant?

IAEA experts, charged with reviewing Japan’s plans for the Fukushima nuclear facility, leave Unit 4 in 2013. IAEA/Flickr, CC BY 4.0

Seven Years Since the Fukushima Disaster, Is It Case Closed?

Deploying an ocean bottom seismometer. Credit: Yusuke Yamashita, ERI, Univ. of Tokyo, Japan

Rumbling From Ocean Trenches Could Be Sign That Japan Faces Mega Earthquake