Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999geoji.138..801l&link_type=abstract
Geophysical Journal International, Volume 138, Issue 3, pp. 801-808.
Astronomy and Astrophysics
Astronomy
6
Earthquake Source Mechanism, Erzincan Earthquake, Fault Plane Solutions, Seismograms, Strong Ground Motion, Waveform Analysis
Scientific paper
We explore the possibility of determining the actual fault plane of an earthquake from the inversion of near-source displacement seismograms of one station when a finite-dimension source is used instead of a point source model and when the complete displacement is taken into account, including near-field waves. Tests on synthetic seismograms and real data recorded at local distances show that this is possible even with a single, three-component station. A single accelerogram available for the Erzincan, Turkey, 1992 March 13, M_s =6.8 earthquake is inverted and the solution found is compatible with other seismological studies and with the mechanism expected for the North Anatolian Fault.
Delouis Bertrand
Legrand Denis
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