QQuakeFacts

Global earthquake evidence

Understand an earthquake in place, depth and history.

USGS earthquake records with magnitude, depth, time, mapped location and precomputed links to nearby and similar events.

ScaleMagnitude and depthSeparate measurements with different meanings
PlaceMapped coordinatesPublished epicentre, not a damage boundary
ContextNearby and similar eventsPrecomputed from the same governed corpus

Strongest events in the corpus

M 9.5 · 22 May 1960

1960 Great Chilean Earthquake (Valdivia Earthquake)

M 9.2 · 28 March 1964

The 1964 Prince William Sound, Alaska Earthquake

M 9.1 · 26 December 2004

2004 Sumatra - Andaman Islands Earthquake

M 9.1 · 11 March 2011

2011 Great Tohoku Earthquake, Japan

M 9 · 4 November 1952

89 km ESE of Petropavlovsk-Kamchatsky, Russia

M 8.8 · 31 January 1906

1906 Ecuador-Colombia Earthquake

M 8.8 · 27 February 2010

2010 Maule, Chile Earthquake

M 8.8 · 29 July 2025

2025 Kamchatka Peninsula, Russia Earthquake

M 8.7 · 4 February 1965

1965 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake

M 8.6 · 1 April 1946

The 1946 Unimak Island, Alaska Earthquake

M 8.6 · 15 August 1950

1950 Assam-Tibet Earthquake

M 8.6 · 9 March 1957

1957 Atka, Alaska Earthquake

M 8.6 · 28 March 2005

78 km WSW of Singkil, Indonesia

M 8.6 · 11 April 2012

2012 Wharton Basin Earthquake

M 8.5 · 11 November 1922

94 km ENE of Vallenar, Chile

M 8.5 · 1 February 1938

1938 Banda Sea Earthquake

M 8.5 · 13 October 1963

1963 Kuril Islands Earthquake

M 8.4 · 3 February 1923

1923 Kamchatka, Russia Earthquake