yeah real unusual.....
Here are some of the major quakes in Chilean history:
1730 - 8.7 magnitude at central Valparaiso
1835 - 8.2 magnitude south-central Concepcion, 500 dead
1868 - 9.0 magnitude in Arica, (then Peru), 25,000 dead
1877 - 8.3 magnitude offshore northern Tarapaca, 34 dead
1906 - 8.2 magnitude at central Valparaiso, 3,882 dead
1922 - 8.5 magnitude on Chile-Argentina border 1928 - 7.6 magnitude at Talca, 225 dead
1939 - 7.8 magnitude at Chillan, 28,000 dead 1943 - 8.2 magnitude near Illapel-Salamanca, 25 dead
1960 - 7.9 magnitude at Arauco Peninsula
1960 - 9.5 magnitude at Valdivia, 1,655 dead
1965 - 7.0 magnitude at Taltal, 1 dead 1965 - 7.4 magnitude at La Ligua, 400 dead
1971 - 7.5 magnitude in Valparaiso region, 90 dead
1985 - 7.8 magnitude offshore Valparaiso, 177 dead
1998 - 7.1 magnitude near coast of northern Chile
2002 - 6.6 magnitude at Chile-Argentina border region
2003 - 6.8 magnitude near coast of central Chile
2004 - 6.6 magnitude near Bio-Bio, central Chile
2005 - 7.8 magnitude Tarapaca, northern Chile, 11 dead
2007 - 7.7 magnitude at Antofagasta, north Chile, 2 dead
2007 - 6.7 magnitude at Antofagasta 2008 - 6.3 magnitude at Tarapaca 2009 - 6.5 magnitude offshore Tarapaca
Source: U.S. Geological Survey (Compiled by Doina Chiacu)