Source data
Selected USGS earthquake records at magnitude 8.6 and above
Sources checked
- 31 January 1906Off Ecuador and Colombia, magnitude 8.8
- 22 May 1960Valdivia, Chile, magnitude 9.5
- 28 March 1964Prince William Sound, Alaska, magnitude 9.2
- 26 December 2004Sumatra-Andaman Islands, magnitude 9.1
- 11 March 2011Tohoku, Japan, magnitude 9.1
- 29 July 2025Kamchatka Peninsula, Russia, magnitude 8.8
Markers are in chronological order. Spacing between markers does not represent elapsed time.
Selected USGS earthquake records at magnitude 8.6 and above
Dates and times use UTC. The dataset includes the events at 8.6 or above in the linked USGS historical list and the 2025 Kamchatka event record. Locations are simplified and coordinates are shown to two decimals.
| Source | |||||
|---|---|---|---|---|---|
| 31 January 1906 | Off Ecuador and Colombia | 8.8 | 15:36 | 0.96°N, 79.37°W | Source 1 |
| 1 April 1946 | Off Unimak Island, Alaska | 8.6 | 12:29 | 53.49°N, 162.83°W | Source 1 |
| 15 August 1950 | Xizang and India border region | 8.6 | 14:09 | 28.36°N, 96.45°E | Source 1 |
| 4 November 1952 | Off Kamchatka, Russia | 9.0 | 16:58 | 52.62°N, 159.78°E | Source 1 |
| 9 March 1957 | Andreanof Islands, Alaska | 8.6 | 14:23 | 51.50°N, 175.63°W | Source 1 |
| 22 May 1960 | Valdivia, Chile | 9.5 | 19:11 | 38.14°S, 73.41°W | Source 1 |
| 28 March 1964 | Prince William Sound, Alaska | 9.2 | 03:36 | 60.91°N, 147.34°W | Source 1 |
| 4 February 1965 | Rat Islands, Alaska | 8.7 | 05:01 | 51.25°N, 178.72°E | Source 1 |
| 26 December 2004 | Sumatra-Andaman Islands | 9.1 | 00:58 | 3.30°N, 95.98°E | Source 1 |
| 28 March 2005 | Nias, Indonesia | 8.6 | 16:10 | 2.09°N, 97.11°E | Source 1 |
| 27 February 2010 | Maule, Chile | 8.8 | 06:34 | 36.12°S, 72.90°W | Source 1 |
| 11 March 2011 | Tohoku, Japan | 9.1 | 05:46 | 38.30°N, 142.37°E | Source 1 |
| 11 April 2012 | Off northern Sumatra | 8.6 | 08:39 | 2.33°N, 93.06°E | Source 1 |
| 29 July 2025 | Kamchatka Peninsula, Russia | 8.8 | 23:24 | 52.49°N, 160.24°E | Source 3 |