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The Earthquake Alarm box.

quakealert The Earthquake Alarm box.

The QuakeAlert battery powered earthquake alarm system. $199.95. Are ya listening, fault line families?

 QuakeAlert is an electronic earthquake early warning device that will provide the user with a warning of up to 2 minutes of an impending earthquake…QuakeAlert reacts to vertical ground movements caused by vibrations in the form of motion waves from an earthquake…The detector is extremely accurate and will sound only when a vertical displacement above a critical level occurs.

 The Earthquake Alarm box.

Red – who has written posts on The Red Ferret Journal.

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