Geologist Jim Berkland claims to have a formula that uses animal behavior to accurately forecast earthquakes.
From CAN ANIMALS PREDICT DISASTER?, part of Thirteen/WNET New York's NATURE series , airing Sunday, May 13 at 8 p.m. (ET) on PBS (check local listings). For more information, visit http://www.pbs.org/nature
Duration : 3 min 18 sec
