'Doughnut hole' quake theory studied
Monday, July 19, 2010 - 15:14
in Earth & Climate
LOS ANGELES, July 19 (UPI) -- A new earthquake theory suggests doughnut-shaped patterns of temblors build up over decades to a final large earthquake in the doughnut "hole," scientists say. Doughnut - Earthquake - Earth Sciences - Natural Disasters and Hazards - LOS ANGELES