(S (S (NP (BASENP (DT The) (NN earthquake)) (PRN (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBD struck) (PP (IN at) (NP (NP (BASENP (NN 08:17) (NN am)) (BASENP (NN AWST))) (PRN (LRB -LRB-) (NP (BASENP (NN 00:17)) (BASENP (NN UTC))) (RRB -RRB-))))))) (COMMA ,))) (VP (VP (VBZ is) (ADJP (ADJP (DT the) (JJS strongest)) (SBAR (S (VP (TO to) (VP (VB hit) (NP (BASENP (DT the) (NN region)) (PP (IN of) (BASENP (NNP Goldfields-Esperance)))))))))) (PP (IN in) (BASENP (NN 50) (NNS years))))) (PERIOD .))