8.7-magnitude earthquake off Sumatra

UNAWATUNA, SRI LANKA - DECEMBER 23: A Sri Lankan construction worker cuts a piece of wood helping to build the new Comara Beach Club on the beach on December 23, 2005 in Unawatuna, Sri Lanka. Tourists are coming back slowly to the region which was devastated on December 26, 2004 by the tsunami, but the numbers are considered lower than in previous years. (Photo by Paula Bronstein /Getty Images)

UNAWATUNA, SRI LANKA - DECEMBER 23: A Sri Lankan construction worker cuts a piece of wood helping to build the new Comara Beach Club on the beach on December 23, 2005 in Unawatuna, Sri Lanka. Tourists are coming back slowly to the region which was devastated on December 26, 2004 by the tsunami, but the numbers are considered lower than in previous years. (Photo by Paula Bronstein /Getty Images)