The magnitude 8.4 earthquake was the most powerful earthquake of 2007 to date , more powerful than the two March 2007 Sumatra earthquakes nearby and the 2007 Peru earthquake . It was the second most powerful earthquake since the magnitude 9.3 2004 Indian Ocean earthquake , exceeded only by the magnitude 8.6 2005 Nias – Simeulue earthquake . The two largest earthquakes were the fourth and fifth earthquakes with magnitude 7.9 or greater to have occurred on or near the plate boundaries offshore of western Sumatra in 7 years , the others being the magnitude 7.9 earthquake of 4 June 2000 ; the magnitude 9.3 2004 Indian Ocean earthquake on 26 December 2004 ; and the magnitude 8.6 Nias – Simeulue earthquake on 28 March 2005
2007 Peru earthquake
2007 Peru earthquake
September 2007 Sumatra earthquakes