( ( Measuring ( ( ( the Intensity ) ( of Earthquakes ) ) ( ( The ( ( most well-known ) method ) ) ( of ( measuring ( ( the intensity ) ( of ( an earthquake ) ) ) ) ) ) ) ) ( ( is ( the ( Richter scale ) ) ) . ) )
(ROOT (S (S (VP (VBG Measuring) (S (NP (NP (DT the) (NN Intensity)) (PP (IN of) (NP (NNP Earthquakes)))) (NP (NP (DT The) (ADJP (RBS most) (JJ well-known)) (NN method)) (PP (IN of) (S (VP (VBG measuring) (NP (NP (DT the) (NN intensity)) (PP (IN of) (NP (DT an) (NN earthquake))))))))))) (VP (VBZ is) (NP (DT the) (NNP Richter) (NN scale))) (. .)))
Measuring the Intensity of Earthquakes The most well-known method of measuring the intensity of an earthquake is the Richter scale .
(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.