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Earthquake alarm

    0.03 sec.
a bell signal constructed to operate on the theory that a few seconds before the occurrence of an earthquake the magnet temporarily loses its power.

See also: Earthquake



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A Taiwanese scientist has developed an earthquake alarm that could give people a crucial 15-second warning in case of a tremor, one of his team said Wednesday.
Online stores and brick-and-mortar retailers reported a surge in sales of survival gear, including water, flashlights and earthquake alarms as government officials from Lancaster to Los Angeles urged residents to get ready.
Based on the scientific principles of earthquakes, The Tsunami EarthQuake Alarm is designed to detect the non-destructive primary waves of an earthquake that are not felt and which precede the potentially destructive secondary waves.
 
 
 
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