where was the earthquake in chile 2010?
Maule Region
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 On 27 February 2010 , a strong earthquake , which reached a magnitude of 8 @.@ 8 on the moment magnitude scale , hit central Chile . The earthquake occurred in the region of the plate boundary between the Nazca and South American plates , offshore Maule Region . The earthquake produced a tsunami which caused great damage in cities and towns along the Chilean coast ; Pichilemu was " devastated " after the earthquake and tsunami struck . 

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 The 6 @.@ 9 earthquake of 11 March 2010 occurred two weeks after the 27 February event . Chilean seismologists , including Sergio Barrientos from the University of Chile Seismological Service , were worried about the " absence of an earthquake around magnitude 7 following the February 27 quake . " Two foreshocks of the 11 March event occurred on 5 March : one reached magnitude 5 @.@ 7 , and the other magnitude 5 @.@ 2 ; both were felt between the Valparaíso and Maule regions . 

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 The 2010 Pichilemu earthquake ( Spanish : Terremoto de Pichilemu de 2010 ) , also known as the Libertador O 'Higgins earthquake , was a 6 @.@ 9 MW intraplate earthquake that struck Chile 's O 'Higgins Region on 11 March 2010 . The earthquake was centred 15 kilometres ( 9 @.@ 3 mi ) northwest of the city of Pichilemu , according to the University of Chile Seismological Service . 

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 The earthquake was specially destructive in the epicentre town , Pichilemu , capital of Cardenal Caro Province . The city hosts five National Monuments of Chile , of which two , the Agustín Ross Park and the Agustín Ross Cultural Centre , were seriously damaged by the earthquake . It also damaged the villages of La Aguada and Cardonal de Panilonco . Rancagua , the capital of O 'Higgins Region , was also damaged , leading President Sebastián Piñera to declare a catastrophe state in O 'Higgins Region . 

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 The earthquake was caused by increased regional stress arising from an earthquake on 27 February , centered offshore Maule Region , which was felt throughout central Chile . The 11 March earthquake was at first thought to be an aftershock from the 27 February event , but University of Chile Seismologist Jaime Campos identified it as an " independent earthquake " . The Hawaii @-@ based Pacific Tsunami Warning Center pointed out the possibility of local tsunamis within 100 kilometres ( 62 mi ) of the epicentre , although small , but violent waves were seen in the Pichilemu and Bucalemu area . One person was reported dead . At least eleven aftershocks immediately followed , causing panic throughout coastal towns between the Coquimbo and Los Lagos regions . 
