Is Southern California due for a major, possibly catastrophic, earthquake? Geologists of a new study say a quake of magnitude 7.5 or higher is long overdue to hit the area along the San Andreas Fault north of Los Angeles. CBS News science and futurist contributor Dr. Michio Kaku joins ‘CBS This Morning’ to size up the threat. WATCH NOW!

A new government report shows that seismic activity in parts of the country’s midsection are now as dangerous as in California and Alaska. For the first time ever, government scientists are including man-made quakes on their official earthquake hazard map. Just hours following the release of the report, residents of Crescent, Oklahoma were rattled by a 4.2-magnitude earthquake, perpetuating concerns and raising questions.

CBS News science and futurist contributor Dr. Michio Kaku — also a physics professor at the City University of New York — joins ‘CBS This Morning’ to explain the cause and dangers of these man-made disasters along with solutions for reducing the threat. WATCH NOW!