December 6, 2017
A decade after beginning work on an earthquake early warning system, scientists and engineers are fine-tuning a US West Coast prototype that could be in limited public use in 2018.

Seismic stations that contribute to ShakeAlert as of October 2017.
Credit: SRL
A decade after beginning work on an earthquake early warning system, scientists and engineers are fine-tuning a U.S. West Coast prototype that could be in limited public use in 2018.