(S (S (NP (BASENP (DT An) (NN earthquake)) (PP (IN with) (NP (BASENP (DT a) (NN magnitude)) (PP (IN of) (BASENP (NN 7.0) (NN Mw)))))) (VP (VP (VP (VP (VBD struck) (BASENP (DT the) (NNP Ryukyu) (NNPS Islands))) (COMMA ,) (ADVP (RB off) (NP (BASENP (DT the) (NN coast)) (PP (IN of) (BASENP (NNP Japan)))))) (PP (IN on) (BASENP (NNP Friday) (NN morning)))) (PP (IN at) (NP (BASENP (NN 5:31) (NN am)) (PRN (LRB -LRB-) (NP (BASENP (NN 20:31)) (BASENP (NN UTC))) (RRB -RRB-)))))) (PERIOD .))