(S (S (NP (BASENP (DT An) (JJ underwater) (NN earthquake)) (PP (IN with) (NP (BASENP (DT a) (NN magnitude)) (PP (IN of) (BASENP (NN 7.7)))))) (VP (VBD triggered) (NP (BASENP (DT the) (JJ deadly) (NN wave)) (SBAR (WHNP (WDT which)) (S (VP (VBD ravaged) (NP (BASENP (DT a) (JJ 200km) (NN stretch)) (PP (IN of) (NP (BASENP (NNP Java) (POS 's)) (BASENP (JJ southern) (NN coast))))))))))) (PERIOD .))