Entrepeneur George Dickson has a business that makes money from earthquakes. More specifically he makes money helping people detect an earthquake before it happens. As reported in the Christian Science Monitor, Dickson’s company, Seismic Warning Systems, gets calls from all over whenever earthquakes are in the headlines.

“The QuakeGuard system on which SWS was founded differs from other earthquake detection technologies because it provides the user with a different kind of information, Dickson said. The sensors in QuakeGuard 300 pick up the earliest shock waves generated by an earthquake, called “P-waves.” These waves arrive before the larger shock waves that cause the most serious damage in an earthquake.

“We approached the P-wave earthquake early warning challenge from the end-user perspective,” Dickson said. “Our focus, and our technology, focuses on the intensity of an earthquake rather than » Read more: Earthquake Business