Earthquakes can happen just about anywhere at any time. The recent catastrophic quakes of Japan, Chile, and Mexico have us all thinking, "when will we be hit by the next big one?" Dr. Thomas Heaton directs the Earthquake Engineering Research Laboratory at CalTech, where studies about earthquake warning systems are ongoing. I spoke with him to get a clearer picture of what early warning systems are and how they can save lives. According to Dr. Heaton, the next major earthquake in this country is just around the corner, and California is struggling to put an early warning system in place. Will you be prepared when the next "big one" strikes? Watch the video above and click below for a full transcript. And don't forget to weigh in by leaving a comment right here on HuffPost Science. Talk nerdy to me!