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VolF10-1Šª
”NF 1998”N
•ÅF 529-534•Å
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ŒfÚŽGŽi‰pjF THE EARTHQUAKE ENGINEERING SYMPOSIUM PROCEEDINGS
’˜ŽÒi‰pjF Khosrow T. SHABESTARI,Fumio YAMAZAKI
ƒ^ƒCƒgƒ‹i‰pjF ATTENUATION RELATIONSHIP OF JMA SEISMIC INTENSITY USING RECENT JMA RECORDS
´˜^i‰pjF Recently the new JMA intensity scale was revised and a large number of seismometers measuring the intensity were deployed throughout Japan. In this study, the new JMA intensity scales were calculated for the strong ground motion data set with 3,990 three-component records obtained by the JMA-87-type accelerometers in the period of 1988 to 1996. Then an attenuation relationship for the JMA intensity was developed and examples were presented for three large earthquakes in the data set: the 1993 Kushiro-Oki, the 1994 Sanriku-Haruka-Oki and the 1995 Hyogoken-Nanbu Earthquakes.
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