than the earthquake waves. it would give a few precious seconds, up to a minute warning. this system is being tested in the bay area and during the napa quake it gave a ten-second warning. slowing and stopping trains. that s a pretty obvious one. in port areas, container onloading and offloading may be another way to make things safer. and construction sites. tower cranes could be put into a safe position. reporter: it would take hundreds of reporting stations spread out to monitor all earthquakes. this gives us a chance to get out ahead of the curve. do something before the big earthquake strikes. save lives. save property. reporter: carlos granda reporting for abc news. able to do it for your devices, mobile devices. weather radio to send out an early warning system so people are aware. seconds matter. a chance to get up from where you are sitting and get into a safe spot. we ll see. also coming up here, we ll tell you about one of the biggest names in radio that you ha