The recent 7.0 earthquake triggered a series of early warnings on smartphones through California's Earthquake Early Warning Program.

Although the warning program only gives a 30-second heads up, there are several things that Californians can do to better prepare for the next big quake.

People should ensure that tall and heavy furniture is secured against the wall and prepare an emergency "go kit" with non-perishables, water, medications, and supplies. Families can practice the drop, cover, and hold on technique.

For more, KCBS Radio's political reporter Doug Sovern spoke with Derek Lambeth, program manager of California's Earthquake Early Warning Program.