英语翻译
Themassivemagnitude（震级,大小）8.8earthquakethatstruckthewestcoastofChilelastmonthmovedtheentirecityofConcepcionatleast10feettothewest,andshiftedotherpartsofSouthAmericaasfarapartastheFalklandIslandsandFortaleza,Brazil.Thesepreliminary（预备的,初步的）measurements,producedfromdatagatheredbyresearchersfromfouruniversitiesandseveralagencies,includinggeophysicists（地球物理学者）onthegroundinChile,paintamuchclearerpictureofthepowerbehindthistemblor（地震）,believedtobethefifth-most-powerfulsinceinstrumentshavebeenavailabletomeasureseismic（地震的）shifts.
BuenosAires,thecapitalofArgentinaandacrossthecontinentfromthequake'sepicenter（震中,中心）,movedabout1inchtothewest.AndChile'scapital,Santiago,movedabout11inchestothewest-southwest.ThecitiesofValparaisoandMendoza,Argentina,northeastofConcepcion,alsomovedsignificantly.
Thequake'sepicenterwasinaregionofSouthAmericathat'spartoftheso-called"ringoffire,"anareaofmajorseismicstresseswhichencircles（环绕,包围）thePacificOcean.Allalongthisline,thetectonicplates（构造板块）onwhichthecontinentsmovepressagainsteachotheratfaultzones.
BenBrooks,anassociateresearcherwiththeSchoolofOceanandEarthScienceandTechnologyattheUniversityofHawaiiandco-principalinvestigatorontheproject,saidthattheevent,tragicasitwas,offersauniqueopportunitytobetterunderstandtheseismic（地震的）processesthatcontrolearthquakes
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