( ( ( ( ( ( ( ( ( Two earthquakes ) , ) ( one ( ( measuring 4.3 ) ( on ( the ( Richter scale ) ) ) ) ) ) , ) ( ( struck ( eastern Taiwan ) ) ( early Tuesday ) ) ) , ) but ) ( there ( were ( ( no reports ) ( of ( ( casualties or ) damage ) ) ) ) ) ) ( , ( ( government seismologists ) ( said . ) ) ) )
(ROOT (S (S (S (NP (NP (CD Two) (NNS earthquakes)) (, ,) (NP (NP (CD one)) (VP (VBG measuring) (NP (CD 4.3)) (PP (IN on) (NP (DT the) (NNP Richter) (NN scale))))) (, ,)) (VP (VBD struck) (NP (JJ eastern) (NNP Taiwan)) (NP (JJ early) (NNP Tuesday)))) (, ,) (CC but) (S (NP (EX there)) (VP (VBD were) (NP (NP (DT no) (NNS reports)) (PP (IN of) (NP (NNS casualties) (CC or) (NN damage))))))) (, ,) (NP (NN government) (NNS seismologists)) (VP (VBD said)) (. .)))
Two earthquakes, one measuring 4.3 on the Richter scale, struck eastern Taiwan early Tuesday, but there were no reports of casualties or damage, government seismologists said.
(ROOT (S (NP (NNS Seismologists)) (ADVP (RB originally)) (VP (VBD measured) (NP (NP (DT the) (NN intensity)) (PP (IN of) (NP (DT an) (NN earthquake)))) (PP (IN with) (NP (DT the) (JJ mercalli) (NN scale)))) (. .)))
Seismologists originally measured the intensity of an earthquake with the mercalli scale.