Earthquake warning system


Weir-Jones’ ShakeAlarm earthquake early-warning system is available through the company. The system reportedly recognizes and quantifies the faster but lower-energy seismic P-wave, the precursor to the more damaging S-wave. After detecting a P-wave, the system sends a warning text message, shuts down gas and electricity, returns elevators to ground level, opens any metered doors, and activates backup power systems.

CoreFirst LLC, Portland, OR
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