Since 1900, the only earthquakes recorded with a greater magnitude were the 1960 Great Chilean earthquake (Magnitude 9.5) and the 1964 Good Friday earthquake in Prince William Sound (Magnitude 9.2).
Sejak 1900, gempa yang tercatat berkekuatan lebih besar dari gempa Samudra Hindia hanya gempa bumi besar Chili 1960 (9,5) dan gempa bumi Jumat Agung1964 di Prince William Sound (9,2).