( ( Seismologists ( with ( the ( Iceland ( Meteorological Office ) ) ) ) ) ( ( believe ( that ( ( ( ( ( further earthquakes ) , ) ( ( ( measuring up ) ( to 7 ) ) ( on ( the ( Richter scale ) ) ) ) ) , ) ( could ( ( hit ( the ( same area ) ) ) ( over ( the ( next ( few decades ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Seismologists)) (PP (IN with) (NP (DT the) (NNP Iceland) (NNP Meteorological) (NNP Office)))) (VP (VBP believe) (SBAR (IN that) (S (NP (NP (JJ further) (NNS earthquakes)) (, ,) (VP (VBG measuring) (PRT (RP up)) (PP (TO to) (NP (CD 7))) (PP (IN on) (NP (DT the) (NNP Richter) (NN scale)))) (, ,)) (VP (MD could) (VP (VB hit) (NP (DT the) (JJ same) (NN area)) (PP (IN over) (NP (DT the) (JJ next) (JJ few) (NNS decades)))))))) (. .)))
Seismologists with the Iceland Meteorological Office believe that further earthquakes, measuring up to 7 on the Richter scale, could hit the same area over the next few decades.
(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.