1 May 22, 1960 Valdivia, Chile 1960 Valdivia earthquake 9.5
2 December 26, 2004 Sumatra, Indonesia 2004 Indian Ocean earthquake 9.3
3 March 27, 1964 Prince William Sound, USA 1964 Alaska earthquake 9.2
4 November 4, 1952 Kamchatka, Russia (then USSR) Kamchatka earthquakes 9.0 [1]
5 August 13, 1868 Arica, Chile (then Peru) 1868 Arica earthquake 9.0 [2]
6 March 11, 2011 Sendai, Japan 2011 Sendai earthquake 9.0 [3]
7 January 26, 1700 Pacific Ocean, Japan and USA and British Columbia 1700 Cascadia earthquake 8.9
8 February 27, 2010 Maule, Chile 2010 Chile earthquake 8.8
9 January 31, 1906 Ecuador–Colombia 1906 Ecuador-Colombia earthquake 8.8
10 November 25, 1833 Sumatra, Indonesia 1833 Sumatra earthquake 8.8
11 February 4, 1965 Rat Islands, Alaska, USA 1965 Rat Islands earthquake 8.7
12 November 1, 1755 Lisbon, Portugal 1755 Lisbon earthquake 8.7 [4]
13 July 8, 1730 Valparaiso, Chile 1730 Valparaiso earthquake 8.7 [5]
14 March 28, 2005 Sumatra, Indonesia 2005 Sumatra earthquake 8.6
15 March 9, 1957 Andreanof Islands, Alaska, USA 1957 Andreanof Islands earthquake 8.6
16 August 15, 1950 Assam, India – Tibet, China 1950 Medog earthquake 8.6
17 September 12, 2007 Sumatra, Indonesia September 2007 Sumatra earthquakes 8.5
18 October 13, 1963 Kuril Islands, Russia (USSR) 1963 Kuril Islands earthquake 8.5 [6]
19 February 1, 1938 Banda Sea, Indonesia (Dutch East Indies) 1938 Banda Sea earthquake 8.5
20 February 3, 1923 Kamchatka, Russia (USSR) Kamchatka earthquakes 8.5 [6]
21 November 11, 1922 Atacama Region, Chile 1922 Vallenar earthquake 8.5 [7]
22 May 24, 1751 Concepción, Chile (Kingdom of Chile) 1751 Concepción earthquake 8.5
23 October 20, 1687 Lima, Peru (Viceroyalty of Peru) 1687 Peru earthquake 8.5
24 December 16, 1575 Valdivia, Chile (Kingdom of Chile) 1575 Valdivia earthquake 8.5
*Wikipedia
2 December 26, 2004 Sumatra, Indonesia 2004 Indian Ocean earthquake 9.3
3 March 27, 1964 Prince William Sound, USA 1964 Alaska earthquake 9.2
4 November 4, 1952 Kamchatka, Russia (then USSR) Kamchatka earthquakes 9.0 [1]
5 August 13, 1868 Arica, Chile (then Peru) 1868 Arica earthquake 9.0 [2]
6 March 11, 2011 Sendai, Japan 2011 Sendai earthquake 9.0 [3]
7 January 26, 1700 Pacific Ocean, Japan and USA and British Columbia 1700 Cascadia earthquake 8.9
8 February 27, 2010 Maule, Chile 2010 Chile earthquake 8.8
9 January 31, 1906 Ecuador–Colombia 1906 Ecuador-Colombia earthquake 8.8
10 November 25, 1833 Sumatra, Indonesia 1833 Sumatra earthquake 8.8
11 February 4, 1965 Rat Islands, Alaska, USA 1965 Rat Islands earthquake 8.7
12 November 1, 1755 Lisbon, Portugal 1755 Lisbon earthquake 8.7 [4]
13 July 8, 1730 Valparaiso, Chile 1730 Valparaiso earthquake 8.7 [5]
14 March 28, 2005 Sumatra, Indonesia 2005 Sumatra earthquake 8.6
15 March 9, 1957 Andreanof Islands, Alaska, USA 1957 Andreanof Islands earthquake 8.6
16 August 15, 1950 Assam, India – Tibet, China 1950 Medog earthquake 8.6
17 September 12, 2007 Sumatra, Indonesia September 2007 Sumatra earthquakes 8.5
18 October 13, 1963 Kuril Islands, Russia (USSR) 1963 Kuril Islands earthquake 8.5 [6]
19 February 1, 1938 Banda Sea, Indonesia (Dutch East Indies) 1938 Banda Sea earthquake 8.5
20 February 3, 1923 Kamchatka, Russia (USSR) Kamchatka earthquakes 8.5 [6]
21 November 11, 1922 Atacama Region, Chile 1922 Vallenar earthquake 8.5 [7]
22 May 24, 1751 Concepción, Chile (Kingdom of Chile) 1751 Concepción earthquake 8.5
23 October 20, 1687 Lima, Peru (Viceroyalty of Peru) 1687 Peru earthquake 8.5
24 December 16, 1575 Valdivia, Chile (Kingdom of Chile) 1575 Valdivia earthquake 8.5
*Wikipedia