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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?

To: Hawkmoon who wrote (57381)	8/26/2014 7:04:03 PM
From: Wharf Rat	Respond to of 86355

"And how was that warning transmitted to those who relied upon it?" i have no idea. it looks like it just goes to a few places now, cuz it is in the testing stage. Japan has one which uses radio, TV, and cell phone. Don't know if there are also sirens. Tokyo had 80 seconds warning with Fukashima, which is plenty of time to react. Residents of Tokyo likely had about 80 seconds of warning before a devastating quake rumbled through the city after striking 373 kilometers away, off Japan’s northeast coast, thanks to a new early warning system. But tsunami alerts take longer to generate, giving just minutes of warning before the waves first struck the coast—a reflection of the differing technologies needed to detect earthquakes and calculate their impacts, researchers say. technologyreview.com