(S (S (BASENP (DT A) (ADJP (NN magnitude) (NN 5.8)) (NN earthquake)) (VP (VBZ has) (VP (VBN struck) (PP (IN in) (NP (BASENP (DT a) (NN place)) (SBAR (WHADVP (WRB where)) (S (BASENP (NNS earthquakes)) (VP (VP (VBP are) (ADJP (JJ rare))) (CONJP (COMMA ,) (CC but)) (VP (ADVP (RB sometimes)) (ADJP (JJ large))))))))))) (PERIOD .))