(S (S (S (BASENP (DT The) (JJ first) (NN earthquake)) (VP (VBD occurred) (NP (NP (BASENP (NN 38) (NNS miles)) (PRN (LRB -LRB-) (BASENP (NN 45) (NNS kilometres)) (RRB -RRB-))) (PP (IN under) (BASENP (DT the) (NNP Indian) (NNP Ocean)))))) (PP (VBG according) (PP (TO to) (BASENP (DT the) (NNP U.S.) (NNP Geological) (NNP Survey))))) (PERIOD .))