In the event of a major disaster, relevant emergency information will be broadcast by radio (as well as on TV, and online newspaper updates, so it is worth taking note of the following stations:
AM Radio - AFN (American Forces Network) – 810 kHZ in the Tokyo area – http://www.yokota.af.mil/afn/
FM Radio –
Bay FM – (78.0 MHz).
FM Cocolo (76.5 MHz) – (Kansai area) – http://www.cocolo.co.jp/english/
Inter FM (76.1 MHz) – (Tokyo Metropolitan area only) – http://www.interfm.co.jp/
J-WAVE (81.3 MHz).
NHK FM (82.5 MHz)
Tokyo FM (80.0 MHz).