Analysis of accelerograms recorded in the source zone of the 1995 Neftegorsk earthquake and computation of synthetic accelerograms |
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| Authors: | V V Bykova S S Arefiev |
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| Institution: | 1.Schmidt Institute of Physics of the Earth,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | The strongest Neftegorsk earthquake, which occurred in 1995 in the northern part of the Sakhalin Island, was studied by the
Epicentral Seismological Expedition, Schmidt Institute of Physics of the Earth, Russian Academy of Sciences. The performed
observations yielded the unique accelerograms of strong aftershocks, which were then applied as a basis for detailed analyses.
The recorded accelerations were in satisfactory compliance with the current ground motion relations. The design spectra developed
on the basis of analyzed records were proposed as an example. The synthetic accelerograms were calculated using the records
of the strongest aftershocks for two modal earthquakes by the empirical Green’s function technique. This technique can be
recommended for practical application as the most physically substantiated method taking into account all regional features. |
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