An aftershock of the devastating Dec. 26, 2004, earthquake struck off the west coast of Sumatra (search), Indonesia, on Monday registering magnitude 8.7, according to the U.S. Geological Survey. The following is a list of deadly quakes during the past 80 years:

— Dec. 26, 2004: Indian Ocean, magnitude 9; more than 174,000 people killed, another 106,000 missing.

— Dec. 26, 2003: Southeastern Iran, Bam, magnitude 6.5; more than 26,000 killed.

— May 21, 2003: Northern Algeria, magnitude 6.8; nearly 2,300 killed.

— March 25, 2002: Northern Afghanistan, magnitude 5.8; up to 1,000 killed.

— Jan. 26, 2001: India, magnitude 7.9; at least 2,500 killed. Estimates put death toll as high as 13,000.

— Sept. 21, 1999: Taiwan, magnitude 7.6; 2,400 killed.

— Aug. 17, 1999: Western Turkey, magnitude 7.4; 17,000 killed.

— Jan. 25, 1999: Western Colombia, magnitude 6; 1,171 killed.

— May 30, 1998: Northern Afghanistan and Tajikistan, magnitude 6.9; as many as 5,000 killed.

— Jan. 17, 1995: Kobe, Japan, magnitude 7.2; more than 6,000 killed.

— Sept. 30, 1993: Latur, India, magnitude 6.0; as many as 10,000 killed.

— June 21, 1990: Northwest Iran, magnitude 7.3-7.7; 50,000 killed.

— Dec. 7, 1988: Northwest Armenia, magnitude 6.9; 25,000 killed.

— Sept. 19, 1985: Central Mexico, magnitude 8.1; more than 9,500 killed.

— Sept. 16, 1978: Northeast Iran, magnitude 7.7; 25,000 killed.

— July 28, 1976: Tangshan, China; magnitude 7.8-8.2; 240,000 killed.

— Feb. 4, 1976: Guatemala, magnitude 7.5; 22,778 killed.

— Feb. 29, 1960: Southwest Atlantic coast in Morocco; magnitude 5.7; some 12,000 killed, town of Agadir destroyed.

— Dec. 26, 1939: Erzincan province, Turkey, magnitude 7.9; 33,000 killed.

— Jan. 24, 1939: Chillan, Chile, magnitude 8.3; 28,000 killed.

— May 31, 1935: Quetta, India, magnitude 7.5; 50,000 killed.

— Sept. 1, 1923: Tokyo-Yokohama, Japan, magnitude 8.3; at least 140,000 killed.