Haneda airport experiences traffic control glitch, flights delayed
The system was restored some 15 minutes later.
Japan's 7.7 magnitude earthquake
- Japan escapes worst of magnitude 7.7 quake but experts warn of potential bigger one South China Morning Post —
- How to prepare when Japan is under an earthquake advisory The Japan Times —
- Why did a big earthquake strike the Tohoku region again? The Japan Times —
- Japan warns of a slightly increased risk of a megaquake AP News —
- Six hurt as powerful earthquake hits Japan, megaquake fears emerge IOL —