RETRACTION: Early magnitude estimation for the M_W7.9 Wenchuan earthquake using progressively expanded P-wave time window

Scientific Reports 4, Article number: 6770 10.1038/srep06770 (2014); Published: October272014; Updated: January162015

The authors wish to retract this Article because large sections of the text were copied from a Colombelli et al. study, which was cited as reference 37. The results and data presented in the Article have not been contested.