Measuring seismic activity using ProtoCentral OpenPressure

Introduction A geophone is a magnetic device used to measure the Earth's normal vibrations (some abnormal during events such as earthquakes). These movements are also present when there is a small explosion (commonly used for mining and exploration purposes). The principle of a geophone is similar to dynamo; the movement of the magnet situated inside a coil cause an induced field and the EMF produces a pote ...

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