California will likely roll out a limited public earthquake early warning system sometime next year, researchers building the network say.  New earthquake sensing stations are being installed in the ground, software is being improved, and operators are being hired to make sure the system is properly staffed, Caltech seismologist Egill Hauksson said at a joint

meeting of the Japan Geoscience Union and American Geophysical Union. The new sensor stations are particularly important for rural Northern California, where gaps in the network have put San Francisco at risk for a slower alert if an earthquake begins on the San Andreas fault near the Oregon border and barrels down to the city. Last summer, California lawmakers and Gov. Jerry Brown approved $10 million for the earthquake early warning system. READ MORE