Prototype GPS Earthquake Monitoring System Being Tested in Southern California

A network of GPS receivers, some outfitted with $8 accelerometers, is part of a prototype system being tested in Southern California to monitor for earthquakes and other natural hazards.

The technology is not new. Receivers that pick up signals from the constellation of Global Positioning System satellites circling Earth and calculate timing and distance have reshaped dozens of industries including farming, construction, mining and package delivery, in addition to providing air, sea, and land navigation data.

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