Seismologist Dr. Lucy Jones, with the USGS, explaines a demonstration of an Earthquake Early Warning system at Caltech where an earthquake early warning press conference was hosted on Monday, January 28, 2013. The California Integrated Seismic Network is a collaboration between Caltech, UC Berkeley and the USGS where researchers are using real-time data to create and test early warnings to computers and people carrying cell phones with an app about an earthquake occurrence.