2010 Salta earthquake occurred on February 27 at in Salta Province , Argentina and had a magnitude of 6.3 . It occurred less than 12 hours after the far larger magnitude 8.8 Chile earthquake , which killed 525 people . It was initially thought to be an aftershock of the Chile earthquake , but scientists later established that the earthquakes were unrelated . The epicenter was about 15 miles north of the city of Salta . The quake killed two people , and injured dozens ( possibly up to 100 people )
Chile earthquake
2010 Chile earthquake
2010 Salta earthquake