With the first anniversary of the East Japan Great Earthquake Disaster approaching, with various predictions of Tokyo being due a Big One, and with smartphones now supporting earthquake early warnings straight out of the box, I would think that the awareness of such early warning systems should be high, but the article from japan.internet.com on a survey by goo Research into earthquake early warning applications didn’t report that figure, unfortunately.
Between the 23rd and 25th of February 2012 1,066 members of the goo Research online monitor group completed a private internet-based questionnaire. 52.8% of the sample were male, 16.0% in their teens, 17.7% in their twenties, 21.4% in their thirties, 16.6% in their forties, 16.1% in their fifties, and 12.1% aged sixty or older.
The app that I most hear people talking about is yurekuru for the iPhone. Fortunately, down here in Kansai there have been few significant shakers recently so I’ve never heard the alerts personally, but I read about many Tokyo residents who talk about whole roomfuls of people’s smartphones going off at the same time – there must be a YouTube video, and indeed there is, but just of a single phone: