A Seismic Triple Whammy: Deadly Quake was Really 3 Big Jolts
Wednesday, August 18, 2010 - 13:28
in Earth & Climate
A magnitude-8.1 earthquake and tsunami that killed 192 people last year in Samoa, American Samoa and Tonga actually was a triple whammy: The 8.1 "great earthquake" concealed and triggered two magnitude-7.8 quakes.