Sunday, August 06, 2006
Japan Unveils World's First Earthquake Early Alert System
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Bloubergstrand, Cape TownPosted by SilverJade Posted by Ninja T. Penguin
(Steve Herman - VOA News) from Japan.
The world's first earthquake early warning system has begun operating in Japan. The government-developed system takes advantage of the precious seconds between the first indication of a powerful tremor and the arrival of the second, destructive terrestrial shock. Some people have reservations about broadcasting such alerts.
If a large earthquake were to strike Japan today, some people would receive advance notice.
This kind of public address alert, recorded at a Tokyo university, will automatically be triggered at certain locations seconds before a big tremor is felt. In other cases, such as trains, the alert will be transmitted digitally, or by radio.
The secret to the system lies in the anatomy of an earthquake, which actually generates two waves....
Read More...
Bloubergstrand, Cape TownPosted by SilverJade Posted by Ninja T. Penguin
(Steve Herman - VOA News) from Japan.
The world's first earthquake early warning system has begun operating in Japan. The government-developed system takes advantage of the precious seconds between the first indication of a powerful tremor and the arrival of the second, destructive terrestrial shock. Some people have reservations about broadcasting such alerts.
If a large earthquake were to strike Japan today, some people would receive advance notice.
This kind of public address alert, recorded at a Tokyo university, will automatically be triggered at certain locations seconds before a big tremor is felt. In other cases, such as trains, the alert will be transmitted digitally, or by radio.
The secret to the system lies in the anatomy of an earthquake, which actually generates two waves....
Read More...
