Primary Study of Surface-Wave Magnitude Determined by Chinese Stations

(整期优先)网络出版时间:1994-03-13
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Usingthedatasetof20±2secand(A/T)maxofsurfacewavesrecordedbyType-763andType-SKseismographsfromfivestationsinBeijingandelsewhere,themeansquaredeviationsuandrelativemeandeviationsDofMsvaluesdeterminedbyfivecalibrationfunctions(a,a763,a300aNandfromMsz(NEIS)arecomparedandanalyzed.Resultsshowthataanda763arerathergoodbetween20°and160°;anda763arerathergoodbetween10and30for20sec;a300isrelativelygoodbetween160and179.