( ( The scientists ) ( ( think ( ( ( ( ( the tsunami ) , ) ( in turn ) ) , ) ( would ( create ( ( ( so-called ( seiche waves ) ) , ) ( ( mountainous waves ) ( that ( lurch ( from ( shore ( to ( shore ( for ( hours ( on end ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS scientists)) (VP (VBP think) (SBAR (S (NP (NP (DT the) (NN tsunami)) (, ,) (PP (IN in) (NP (NN turn))) (, ,)) (VP (MD would) (VP (VB create) (NP (NP (JJ so-called) (NN seiche) (NNS waves)) (, ,) (NP (NP (JJ mountainous) (NNS waves)) (SBAR (WHNP (WDT that)) (S (VP (VBP lurch) (PP (IN from) (S (VP (NN shore) (S (VP (TO to) (VP (VB shore) (PP (IN for) (NP (NP (NNS hours)) (PP (IN on) (NP (NN end))))))))))))))))))))) (. .)))
The scientists think the tsunami, in turn, would create so-called seiche waves, mountainous waves that lurch from shore to shore for hours on end.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (DT the) (NN energy)) (PP (IN of) (NP (DT the) (NN earthquake)))) (VP (VBZ reaches) (VP (NN shore))))) (, ,) (NP (PRP it)) (VP (VBZ forms) (SBAR (S (NP (DT a) (JJ huge) (NN wave)) (VP (VBD called) (NP (DT a) (NN tsunami)))))) (. .)))