Aftershock sequence of the 3 December 1988 Pasadena earthquake

Ma Kuo-Fong Ma, H. Kanamori

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Combines the first-motion data and the waveform data of P, SV, and SH waves recorded with the VBB instrument to determine the mechanism and seismic moment of nine aftershocks. The average orientations of the P and T axes of the aftershocks are consistent with the strike of the Raymond fault. The ratio of the logarithm of cumulative seismic moment of aftershocks to that of the seismic moment of the mainshock is significantly smaller than commonly observed. -from Authors

Original languageEnglish
Pages (from-to)2310-2319
Number of pages10
JournalBulletin of the Seismological Society of America
Issue number6
StatePublished - 1991


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